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The sum of ap 2,5,8......up to 50

Posted by Vansh Dahiya 4 years, 1 month ago

1 answers

We use the arithmetic prgression A=2 D=5-2=3 N=50 Sn=n/2[2a+(n-1) d] S50= 50/2[2*2+(50-1)3] S50=25[4+49*3] S 50= 25*4+147 S50=25*149 S50= 3725 answer

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If f(x)=2x+5 compute f(2)-f(1/2).

Posted by Sanjana . 4 years, 1 month ago

CBSE > Class 11 > Mathematics

1 answers

Kaushik Ka 4 years, 1 month ago

f(2) = (2*2) + 5 f(2) = 4+5 f(2) = 9 f(1/2) = (2*(1/2)) + 5 f(1/2) = 1+5 f(1/2) = 6 f(2)-f(1/2) = 9-6 f(2)-f(1/2) = 3

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cot 2x cotx -cot 3x cot 2x- cot3x cot2x

Posted by Ankitt Arora 4 years, 1 month ago

CBSE > Class 11 > Mathematics

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Find the value of sin2π

Posted by Aditya Kumar Singh 4 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Dev Naha 4 years, 1 month ago

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Sachin Kumar 4 years, 1 month ago

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Sin 2π

Posted by Aditya Kumar Singh 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Kaushik Ka 4 years, 1 month ago

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if acosA+bsinA=p&bcosA-asinA=q then proove that p^2+q^2=a^2+b^2

Posted by Himanshu Shukla 4 years, 2 months ago

CBSE > Class 11 > Mathematics

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If z= 1-cos theta +I sin theta then modulus z is

Posted by Vanshaj Sood 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Sameer Kumar Tagore 4 years, 1 month ago

2sin(theta by 2).

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2÷2=?

Posted by Bhumit Singh 4 years, 2 months ago

CBSE > Class 11 > Mathematics

5 answers

Ràśpŕèét Kaur 4 years, 1 month ago

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T Rex 4 years, 1 month ago

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Himanshu Mali 4 years, 2 months ago

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Shivam Sharma 4 years, 2 months ago

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Abhay Bharti 4 years, 2 months ago

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Tan5A=tan2A Convert in to general form

Posted by Mahivarman M 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Find the value of sin 75

Posted by Nikhil Sharma 4 years, 2 months ago

CBSE > Class 11 > Mathematics

3 answers

Sameer Kumar Tagore 4 years, 1 month ago

(√3+1)by 2√2

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K Buwa 4 years, 2 months ago

Put sin(x+y) formula

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K Buwa 4 years, 2 months ago

Sin (45+30)

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Calculate the value of a and b when

Posted by Tanisha Patidar 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Tanisha Patidar 4 years, 2 months ago

3,b

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What is the value of tan45°.

Posted by Abinaya A 4 years, 2 months ago

CBSE > Class 11 > Mathematics

5 answers

Tanisha Jain 4 years, 1 month ago

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Dev Naha 4 years, 1 month ago

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Himanshu Mali 4 years, 2 months ago

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Nikhil Sharma 4 years, 2 months ago

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Manoj Kumar 4 years, 2 months ago

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Evaluate if limit tends to 0 (1+")^n-1/ x

Posted by Khushi Chaudhary 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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What is the meaning of set B^c?

Posted by Karthik Sudhir 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Himanshu Mali 4 years, 2 months ago

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what is the value of 1^2+2^2+3^2 __ 8^2

Posted by Nisha Rai 4 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Julia Biji John 4 years, 2 months ago

204 By using the formula : n(n+1)(2n+1)/6 Above formula is derived for finding the sum of the squares of 'nth’ natural numbers.

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Anand Sah 4 years, 2 months ago

204 By using the formula : n(n+1)(2n+1)/6 Above formula is derived for finding the sum of the squares of 'nth’ natural numbers.

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I+1/cos π/4+isin π/4

Posted by Kartikey Sharma 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Vastav Dhiman 4 years, 2 months ago

Write cosπ = cos 2(π/2) Then, put the identity of cos 2x=1-2 sin^2 x, Which mean, cos 2(π/2)= 1-2sin^2 π/2

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Plzzzzz tell me can I take maths in 11th class with basic maths

Posted by Ankit Kohli 4 years, 2 months ago

CBSE > Class 11 > Mathematics

5 answers

Himanshu Mali 4 years, 2 months ago

1Thank You

Vastav Dhiman 4 years, 2 months ago

If you can't want to take standard math pleaze take applied math

1Thank You

Hemant Singh 4 years, 2 months ago

Please take standard

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Sanket ... 4 years, 2 months ago

Plz take standard

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Sanket ... 4 years, 2 months ago

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Chap 5

Posted by Sakthi Pranaash 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Himanshu Mali 4 years, 2 months ago

Complex number and quadratic equations

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F(x)= /x-1/

Posted by V Series 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Covert central angle of a circle of radius 120cm subtended by an arc of length 44cm into degree

Posted by Vikas Sharma 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Aashay Tembhurne 4 years, 2 months ago

∅=l/r, ∅=44/120 = 11/30 radian. (11/30×180/π)° take value of π=22/7, answer is 21°

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At what time between 9 and 10 o'clock are the hand of a clock 23 minutes space apart

Posted by Yash Prajapati 4 years, 2 months ago

CBSE > Class 11 > Mathematics

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At what time between 9 and 10 o'clock are the hands of clock 23 minute space apart

Posted by Yash Prajapati 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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How do i get Assertion Reson Questions

Posted by Binay Yadav 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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sin6a ka sutra

Posted by Shruti Yadav 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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please someone help with the solution of class math cbse lab activity no.12

Posted by Phalguni Basu 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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X squared equals to 25

Posted by Sumit Chauhan 4 years, 2 months ago

CBSE > Class 11 > Mathematics

3 answers

Anurag Singh 4 years, 1 month ago

given x^2=25 then, x=root 25 root25=5 x=5 Ans.

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Komal Bhanndari 4 years, 2 months ago

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Sree Vaishnavi 4 years, 2 months ago

Then x=5

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√x²-5 Find domain&range..

Posted by Ashutosh Singh 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Revision notes

Posted by Prachi Sharma Prachi Sharma 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Ankit Yadav 4 years, 2 months ago

Whats your question

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Solution of 1question

Posted by Prachi Sharma Prachi Sharma 4 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

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Pdf on sets lesson

Posted by Ramnath Chari 4 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Prachi Sharma Prachi Sharma 4 years, 2 months ago

Problm 1

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