CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

Let √3-√2 be a rational number. A rational number can be written in the form of p/q. p,q are integers then (5q²-p²)/q² is a rational number. ... Therefore,√3-√2 is an irrational number.

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Md Arjul Islam 5 years, 1 month ago

Let √3-√2 be a rational number. A rational number can be written in the form of p/q. p,q are integers then (5q²-p²)/q² is a rational number. ... Therefore,√3-√2 is an irrational number ( Hence proved)

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Please suggest the best YouTube channel for real no and linear equation explanation.

Posted by Akhya Sahay 5 years, 1 month ago

CBSE > Class 10 > Mathematics

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Posted by Himanshu Rajput 5 years, 1 month ago

CBSE > Class 10 > Mathematics

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In angle abc ,if a+b =90 degree ,then find the value of cot c

Posted by Bhawna Paswan 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Ashok Kumar 5 years, 1 month ago

Hence, the value of cot C = 0. In triangle ABC,angle B is 90 degree and AB:BC =2ঃ1

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Hemant Sunkria 5 years, 1 month ago

It is given to us that a+b is 90 it means angle c = 90 because the sum of all angles of triangle is 180 so when we put cot90=0

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Write All the formulas of chapter =Trigonometry Ratio

Posted by Ravi . 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 5 years, 1 month ago

sin = opposite/hypotenuse. cos = adjacent/hypotenuse. tan = opposite/adjacent. cosec=1/sin. sec = 1/cos. cot = 1/tan. sin^2+cos^2=1. 1+tan^2=sec^2 1+cot^2=cosec^2.

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The hcf of two numbers a and b is 5 and their Lcm is 200.Find the product Ab

Posted by Aditya Patil 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Sonu Thapa 5 years, 1 month ago

1000

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Aryan Singh 5 years, 1 month ago

1000

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Ankit Barnwal 5 years, 1 month ago

Product of number=hcf×lcm ab=5×200=1000

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What is Section formula.

Posted by Sahil Jangra 5 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

A A 5 years, 1 month ago

x=m1x2+m2x1/m1+m2 y=m1y2+m2y1/m1+m2

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Yash Rana 5 years, 1 month ago

x=mx2+nx1/m+n . y=my2+ny1/m+n

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Bhoomika Maheshwari 5 years, 1 month ago

Section formula is applicable when you have given a point on a line and with it's dividing ratio then you can find the co-ordinates of the given point For x -M1X2 + M2X1÷ m1+M2 For y - m1y2+m2y1 ÷ M1+m2

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Prachi Chaisir 5 years, 1 month ago

x=m1x2+m2x1/m1+m2 y=m1y2+m2y1/m1+m2

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Probability of a event can never be ? (a) zero. (b) one (c)less than zero. (d)more than one

Posted by Bhomik Sanwal 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Saliha Tahir 5 years, 1 month ago

More than one

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Bhoomika Maheshwari 5 years, 1 month ago

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Msv Msv 5 years, 1 month ago

Zero and less than zero

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Triangle all solution

Posted by Surabhi Rani 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Sangeeta Nadar 5 years, 1 month ago

Using theorm prove that the line joining the mod points of any two sides of a triangle is parallel to third side

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If each zero of the polynomial x2 + mx +n is three times to the zeroes of 3x2-5x +2 find the values of m and n

Posted by Satyam Pal 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

360 oranges are distributed among a certain number of boyd

Posted by Shlok Sidana 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

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If (x square + y square) (a square+ b square) =(ax + by)^2. Prove that x/a = y/b

Posted by Yashika Das 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Ashok Kumar 5 years, 1 month ago

We have, (x^2+y^2)(a^2+b^2)=(ax+by)^2 Prove that, \dfrac{x}{a}=\dfrac{y}{b}. ∴ (x^2+y^2)(a^2+b^2)=(ax+by)^2 ⇒ x^2(a^2+b^2)+y^2(a^2+b^2)=(ax)^2+(by)^{2} +2(ax)(by) Using algebraic identity, (x+y)^{2}=x^{2}+y^{2}+2xy ⇒ x^2a^2+x^2b^2+y^2a^2+y^2b^2=a^2x^2+b^2y^{2} +2abxy ⇒ x^2b^2+y^2a^2=2abxy ⇒ x^2b^2+y^2a^2-2abxy=0 ⇒ (xb)^2+(ya)^2-2(xb)(ya)=0 Using algebraic identity, (x-y)^{2}=x^{2}+y^{2}-2xy ⇒ (xb-ya)^2=0 ⇒ xb - ya = 0 ⇒ xb = ya ⇒ \dfrac{x}{a}=\dfrac{y}{b}, proved. Hence, \dfrac{x}{a}=\dfrac{y}{b}, proved.

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Shreya Gupta 5 years, 1 month ago

(x²+y²) (a²+b²)= (ax+by)² (a²x²+b²x²+a²y²+b²y²)=(a²x²+b²x²+2abxy) b²x²+a²y²=2axby b²x²+a²y²-2axby=0 (bx-ay)²=0 bx-ay=0 Therefore, y/b=x/a

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Find the values of 'a' & 'b' for which the following pair of equations has an infinite many solution: 2x+3y=7and a(x+y)-b(x-y) = 3a+b-2

Posted by Priya Dg 5 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find the ratio in which the y-axis divides the line segment joining the points (-4,-6) and (10,12). Also find the coordinates of the point of division .

Posted by Purvi Jindal 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

maths homework help me

Posted by Sobhagya Jain 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Himanshu Rajput 5 years, 1 month ago

How

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A bucket open at the top is in the form of a frustum of a cone with a capacity of 12308.8 cm3. The radii of the top and bottom of circular ends of the bucket are 20 cm and 12 cm respectively. Find the height of the bucket and also the area of the metal sheet used in making it.

Posted by Himanshu Rajput 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

O is the centre of a circle of radius 5 cm. T is a point such that OT = 13 cm and OT intersects circle at E. If AB is a tangent to the circle at E, find the length of AB, where TP and TQ are two tangents to the circle

Posted by Himanshu Rajput 5 years, 1 month ago

CBSE > Class 10 > Mathematics

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ANSWER

The angle of depression of the top and bottom of a building 50 metres high as observed from the top of a tower are 30o and 45o respectively. Find the height of the tower and also the horizontal distance between the building and the tower.

Posted by Himanshu Rajput 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The table given below shows the weights 50 persons; of c ln kg) weight in kg) 42 47 No of persons 3 5257 8 68 62 67 5 72 61

Posted by Mohit Modak 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If alpha, beta are zeroes of the quadratic polynomial f(x) = kx^2+4x+4 such that alpha^2+beta^2=24, find k.

Posted by Chehak Kohli 5 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Ritika Arya? 5 years, 1 month ago

K=1,-2/3

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Tushar Singh 5 years, 1 month ago

K=1,-2/3

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Prakhar Vani 5 years, 1 month ago

Fgggg

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Sounak Chatterjee 5 years, 1 month ago

K=1,-2/3

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If the nth term of the AP -1, 4 ,9 14 ............. is 129 find the value of n.

Posted by Susma Chatterjee 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Ronit Gola 5 years, 1 month ago

Given a = -1 an = 129 d = 5 We know that, an = a + (n-1)d 129 = -1 + (n-1)5 130 = 5(n-1) n-1 = 130/5 n-1 = 26 *n = 27*

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Raghav Agnihotri 5 years, 1 month ago

N=27

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What to do if I had finished ncert, to score full marks in standard mathematics board exams

Posted by Rudraksh Rai Udaiwal 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Shreya Raj 5 years ago

You should go sample papers and previous year question in my opinion as I am doing the same

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ANSWER

Give chapter wise all formulas

Posted by Urvashi Deverari 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Kinjal Agarwal 5 years, 1 month ago

https://byjus.com/maths/maths-formulas-for-class-10

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Kushagra Gupta 5 years, 1 month ago

Pls read the book

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?? ?? 5 years, 1 month ago

Which subject

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Pls give all chapter wise all formula

Posted by Pranav Jain 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Himanshu Rajput 5 years, 1 month ago

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Himanshu Rajput 5 years, 1 month ago

Copy link?

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Kinjal Agarwal 5 years, 1 month ago

https://byjus.com/maths/maths-formulas-for-class-10/

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Who else completed their syllabus of class 10

Posted by Diksha Gupta 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Ciji Ouseph 5 years, 1 month ago

Nope. I'm in 10th that too cbse,,?

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Maxtern .Op 5 years, 1 month ago

I.And now I want to chat with you

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If the perimeter and area of a circle are numerically equal then find the radius of a circle

Posted by Srishti Shukla 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Pranav Jain 5 years, 1 month ago

Perimeter of circle = 2πr Area of circle = πr² According to the Question, Perimeter of circle = Area of circle 2πr = πr² or, 2πr / πr = r or, 2 = r or, r = 2 Hence the radius is 2.

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If alpha and beeta are the zeros of the quadratic polynomial f( x) is 6xsquare. + x - 2 find the value of aplha / beeta + alpha / beeta

Posted by Prem Maurya 5 years, 1 month ago

CBSE > Class 10 > Mathematics