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The tangent line to a plane curve at a given point is the straight line that "just touches" the curve at that point. Leibniz defined it as the line through a pair of infinitely close points on the curve...

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Trisha Singh 4 years, 5 months ago

The definition of the tangent In terms of the unit circle diagram, the tangent is the length of the vertical line ED tangent to the circle from the point of tangency E to the point D where that tangent line cuts the ray AD forming the angle.

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∂Яαмα Qυєєи 4 years, 5 months ago

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(2+x)²

Posted by Sanjeev Kumar 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Pawani Singla 4 years, 5 months ago

x² + 4x + 4

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Sahil Singh 4 years, 5 months ago

4+4x+x^2

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Prime factorion metged , 385

Posted by Ayush Natekar 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Ankit Burdak 4 years, 5 months ago

Vifiti

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Srishtika Murugan 4 years, 5 months ago

5×7×11

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ABCD is a trapezium with AB||CD and angle BCD= 60°. If BFEC is a sector of a circle with center C and AB=BC =7 and DE =4 cm, then find the area of the shaded region.

Posted by Yashika Mohata 4 years, 5 months ago

CBSE > Class 10 > Mathematics

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Find the middle term of sequence 7,13,19,......,241

Posted by Kavya Chanana 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Aachal Satwan 4 years, 5 months ago

Given A.P :- 7,13,19,........241 ∴a=7 tn=241 d=13−7=6 ∴tn=a+(n−1)d ∴241=7+(n−1)6 ∴6241−7=n−1 ∴6234=n−1 ∴39+1=n;n=40 ∴2n=240=20......(middle term) ∴2n+1=21 .....(middle term) ∴t20=7+(20−1)6 ∴t20=7+19×6 ∴t20=7+114=121 ∴t21=121+6=127 ∴ Middle terms are 121 and 127.

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Prove that - tanθ/ (1-cotθ) + cotθ/ (1-tanθ) = 1+tanθ+cotθ

Posted by Aachal Satwan 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Kavya Chanana 4 years, 5 months ago

1-coto ko kol la sin or coso ki form Same as 1-tano

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How to prove that alphacube/betacube =alpha×beta

Posted by Keshav Rajput 4 years, 5 months ago

CBSE > Class 10 > Mathematics

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A man travels 300 km partly by train and by car. He takes 4 hrs if he travels 60 km by train and the rest by car. If he travels 100 km by train and the remaining by car, he takes 10 min longer. Find the speed of the train and the car separately.

Posted by Karina Choudhary 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Annu Singh 4 years, 5 months ago

Speed of train:60km/h Speed of car:80km/h

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Hcf of 144 and 198 is

Posted by Rakesh Kumar 4 years, 5 months ago

CBSE > Class 10 > Mathematics

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Abhay Singh 10 4 years, 5 months ago

Sorry 18 is Right Answer

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Abhay Singh 10 4 years, 5 months ago

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Rakesh Kumar 4 years, 5 months ago

9,18 ,6,12

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Ek stambh ke upari sire ka unnayan kon ka aadhar tal ke ek bindu per 60 degree hai yadi vah bindu aadhar tal se 10√3m.duri per ho to stambh ki uchai

Posted by Vaibhav Sharma 4 years, 5 months ago

CBSE > Class 10 > Mathematics

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PQ is a line touching the circle with center O circle at the point B(acting as a tangent ).if angle AOB is 96 ,then find angle ABP

Posted by Meera Bhatti 4 years, 5 months ago

CBSE > Class 10 > Mathematics

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Table of 22

Posted by Shubham Sharma 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

∂Яαмα Qυєєи 4 years, 5 months ago

22 X 1 = 22 22 X 2 = 44 22 X 3 = 66 22 X 4 = 88 22 X 5 = 110 22 X 6 = 132 22 X 7 = 154 22 X 8 = 176 22 X 9 = 198 22 X 10 = 220

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Find the point on x-axis which is equidistant from the points (2,-2) and (-4,2)

Posted by Anju Pandey 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Dhananjay Gautam 4 years, 5 months ago

Let the point A(2,-2), B(-4,2) and (x,0) is equidistant from point P and Q. Now, using distance formula to find PA and AQ in both conditions PA=PB PA²=PB² (x-2)²+(0+2)² =(x+4)²+(0-2)² X²+4-4x+4=x²+16+8x+4 -4x+4=8x+16 X=-1 Now, P(-1,0)

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form a quadratic polynomial whose zeroes are 3/5 and −1/2.

Posted by Amritesh Kumar 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Chirag Yadav 4 years, 5 months ago

Sum of zeroes = 3/5+(-1/2)= 1/10 Product of zeroes = 3/5*(-1/2) = -3/10 Quadratic polynomial = k( x^2-(sum of zeroes)x+product of zeroes) = k( x^2-1/10x+(-3/5)) = k(x^2-1/10x-3/5) Let k = 10 10(x^2-1/10x-3/5) Therefore, the quadratic polynomial is 10x^2-x-6

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If sec theta + tan theta =x then sec theta =

Posted by Sanjana .M. R 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Surya Prakash 4 years, 5 months ago

X - tan theta

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Gouri 15 4 years, 5 months ago

May be ur question is incomplete

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Chapter 6 Question 6

Posted by Ayushi Shakyawar 4 years, 5 months ago

CBSE > Class 10 > Mathematics

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government of up is planning to procure tents for the pilgrims during kumbh mela. the specification of tent is given below. lower cylindrical part must have a white colored thick fabric whose cost is rs 60 per square meter. case based study in maths

Posted by Fathima Surumy 4 years, 5 months ago

CBSE > Class 10 > Mathematics

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In a flight of 600 km an aircraft was slowed down due to bad weather its average speed of the trip was reduced by 200 kilometre per hour and the time of the flight increased by 30 minutes find the original duration of the trip Why is the above question deleted by cbse for the year 2020-21??????

Posted by Deeksha Tengeri 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Surya Prakash 4 years, 5 months ago

Original duration - 1 hr New duration - 1 hr 30 min

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Mean is 50 Class mark frequency 0-20. 17 20-40. f1 40-60. 32 60-80. f2 80-100. 19 Find the missing frequency I got 257= 3f1 + 7f2 After that wat we have to do ?

Posted by Yeshashwini Madhumitha 4 years, 5 months ago

CBSE > Class 10 > Mathematics

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Srishtika Murugan 4 years, 5 months ago

If they have given sum of frequency,then add the given frequencies and equate it.Then you will get another equation.So you have to solve the two equations to find the missing frequencies.

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Completing the square method is deleted or not?

Posted by Ritika Talwar 4 years, 5 months ago

CBSE > Class 10 > Mathematics