CBSE > Class 09 > Mathematics | CBSE Board | Homework Help | myCBSEguide

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

If a point C lies between two points A and B such that AC = BC, then prove that AC = Explain by drawing the figure.

Posted by Akhil Gupta 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Prince Kumar 1 year, 3 months ago

Gfy

ANSWER

Expand each of the following using suitable identities Question (2x-y+z)²

Posted by Bhupesh Verma 1 year, 3 months ago

CBSE > Class 09 > Mathematics

3 answers

Preksha Kanted 1 year, 3 months ago

Using identity (x+y+z)²= x²+y²+z²+2xy+2yz+2zx (2x)²+(-y)²+z²+2(2x)(-y) +2(-y)(z)+ 2(z)(2x) = 4x² +y²+z²-4xy -2yz +4zx

Dikshansh Yadav 1 year, 3 months ago

(A-B+c)^2

Dikshansh Yadav 1 year, 3 months ago

First think the identity that helps to solve

ANSWER

Exercise 6.1 question 1

Posted by Chaudhary Dilip 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Singh 1 year, 3 months ago

<A0C +< COE+ < FOB =180 (Linear Pair) 70+<COF= 180 <cof=180 - 70 =110 Ref. LOE =360-110 =250

ANSWER

x + y - (z-x-[y+z-(x+y-{z+x-(y+z+x)})]) is equal to

Posted by Kush Pate 1 year, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

(Xa-b

Posted by Chhavi Jain 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Ambika Sharma 1 year, 3 months ago

I don't understand your question

ANSWER

Simplify 81/16 whole to power -5/4 ×,25/9whole to power -5/2

Posted by Radhika Kumbar 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogesh Saini 1 year, 3 months ago

To simplify the expression, let's first work on each part separately: 1. (81/16)^(-5/4): Recall that when a fraction is raised to a negative exponent, the reciprocal of the fraction is used, and the negative exponent becomes positive. (81/16)^(-5/4) = (16/81)^(5/4) Now, take the fourth root of the numerator and the denominator: (16/81)^(5/4) = [(16)^(1/4)]^5 / [(81)^(1/4)]^5 Simplify the exponents: (16)^(1/4) = 2 (81)^(1/4) = 3 Substitute back: (16/81)^(5/4) = 2^5 / 3^5 = 32 / 243 2. (25/9)^(-5/2): Similarly, apply the same rule for a negative exponent: (25/9)^(-5/2) = (9/25)^(5/2) Now, take the square root of the numerator and the denominator: (9/25)^(5/2) = [(9)^(1/2)]^5 / [(25)^(1/2)]^5 Simplify the exponents: (9)^(1/2) = 3 (25)^(1/2) = 5 Substitute back: (9/25)^(5/2) = 3^5 / 5^5 = 243 / 3125 Now, multiply the two simplified expressions: (32 / 243) * (243 / 3125) The common term "243" cancels out, leaving: 32 / 3125 Thus, the simplified result of the expression is 32/3125.

ANSWER

If a+b =11 ,a^2+b^2=61,find a^3++ b^3

Posted by Ankita Gupta 1 year, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Gaurav Singh 1 year, 3 months ago

a²+b² = (a+b)² - 2ab. 61 =(11)² - 2ab. 61=121-2ab. ab =30. a³+b³ =(a+b) (a²+b²+ab). = 11 + (61 + 30) = 11 x 181 = 1991

Akshayaasree Akshayaasree 1 year, 3 months ago

2x2x2x=

ANSWER

Prove that x³+y³+z³-3xyz=1/2(x+y+z)[(x-y)²+(y-z)²+(z-x)²]

Posted by Mannat Irchhaiya 1 year, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Classify the following as linear quadratic and cubic polynomial justify your answer I)6-xcube ii)4x+3 iii)t +√2

Posted by Elsa 😄 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Akshayaasree Akshayaasree 1 year, 3 months ago

9+9+'''!

ANSWER

If x=1-√2, find x-1/x

Posted by Mannat Irchhaiya 1 year, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Mannat Irchhaiya 1 year, 3 months ago

Solution - x=1-√2,1/x=1/1-√2 x 1+√2/1-√2,1/x=1+√2/1²-(√2)²=1+√2/1-2,1/x=-(1+√2),x-1/x=1-√2-[-(1+√2)]=1-√2+1+√2=2

Thoshith Umesh 1 year, 3 months ago

-1. 82842712

ANSWER

1÷11

Posted by P S 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Priya Sen 1 year, 3 months ago

0.09

ANSWER

(23)^2+(-12)^2+(-11)^2 =

Posted by Rudraksh Saini 1 year, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find six rational number between 7 and 9

Posted by Nuresaba Dhankwala 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Pooja Nicky 1 year, 3 months ago

By using the formula (a+b)/2 We can do it

ANSWER

12 32

Posted by Yash Thakur 1 year, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Abc is a triangle in which altitude be and cf to sodes ac and ab are equal show that ab =ac is an isosceles triangle

Posted by Muskan Goyal 1 year, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Factorise x2-2x-4

Posted by Anil Sindagi 1 year, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Anubhav Dwivedi 1 year, 3 months ago

Q: X²-2x-4 Ans= X²-2x-2x-4 X(x-2)-2(x-2) (x-2)(x-2)

ANSWER

(27)⅔à⁵/³ ÷ (32)⅗×(25)³/²

Posted by Ronak Jaiswal 1 year, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Formula of heron

Posted by Abhinav Host 1 year, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

S.Rithish S.Rithika 1 year, 4 months ago

Find P(0),P(1),P(2)For each of the following polynomials 1, p(Y)=y/2_y+1

ANSWER

Factorize:- 1)X³+4x²+5x+2 2)x³-2x²-29x+30

Posted by Mannat Irchhaiya 1 year, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

√2.6 on number line

Posted by Uppu Pushpalatha 1 year, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Sachin S.B. 1 year, 3 months ago

Take 2.3 cm and take 1cm

Rachit Sudan 1 year, 4 months ago

9+4

Rachit Sudan 1 year, 4 months ago

Class9 chapter 6 exersise 6.2

ANSWER

(5+√5)(5-√5)

Posted by Prince Tanwar 1 year, 4 months ago

CBSE > Class 09 > Mathematics

5 answers

Mayank Jain 1 year, 3 months ago

20

Ambika Sharma 1 year, 3 months ago

Right answer is 20

Harshit Rautela 1 year, 3 months ago

Using identity (a+b)(a-b)=a^2 - b^2 (5)^2 - (√3)^2 25 - 3 =22

Harshit Rautela 1 year, 3 months ago

20

Arth Kaushal 1 year, 4 months ago

5 -5

ANSWER

Find six rational numbers between 2 and 3

Posted by Dheeraj Surya Bandaru 1 year, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

In the fig x:y:z =5:4:6 if aob is a straight line find the values x,y,z

Posted by Naitik Mehta 1 year, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Represent √6 on the number linr

Posted by Gunjan Varshney 1 year, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Express 0.125454 bar on 54 in the form of p/q

Posted by Jayant Kumar 1 year, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Bhumi Chougule 1 year, 4 months ago

Consider x =0.1254.... Therefore, 100x=100×0.1254.... 100x =12.5454.... Here , 100x -x =12.54..-0.1254.. 99x= 12.42 x=12.42/99 x=1242/9900

ANSWER

if (x-2) is a factor of x4-2x3+3x2-ax+8. find the value of a if it leaves the remainder 10

Posted by N A 1 year, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The positive square root of 7+√48 is A) 7+2√3 B) 7+√3 C) 2+√3 D) 3+√2 Write the process briefly

Posted by Chinmayee Kumari Sahu 1 year, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Chinmayee Kumari Sahu 1 year, 4 months ago

Sry your ans is wrong 😪

Khushi Saifi Khushi 1 year, 4 months ago

+&*7575

ANSWER

Rationalise the denominator of 1/[7+3root3

Posted by Tanushree Manu Tanushree Manu 1 year, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Prasoon Mishra 1 year, 4 months ago

7-3✓3/22

ANSWER

(8/36)–³/⁴×[(25/9)–³/²÷(5/2)–³]

Posted by Neha Khan 1 year, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

2x+5y=

Posted by Shanmukhi Sai 1 year, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Ambika Sharma 1 year, 4 months ago

2x+5y never be added because his variable is not same .

Ambika Sharma 1 year, 4 months ago

Wrong

Neha Khan 1 year, 4 months ago

10xy

ANSWER

Page 27 of 1013

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App