Question

Ab=ac prove that af>ae

Miscellaneous exercise on chapter 1

Proof by mathematical induction that (6^n)-1is a multiple of 3

Is there any topic related to advance a/c 

SIR WE NEED VIDEOS ON SCIENCE 

 

1/x-sqrtx

Integration 

2B 1

find the area enclosed between the circle x^2+y^2=1 and (x-1/2)^2+y^2=1

1

1

Check whether 7 3x is a factor of 3x×3 7x

why  root 2 multiply 0

What is the formula for volume of sphere 

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1.) How many terms of the sequence 18, 16, 14... must be taken so that their sum is 636?
2.) How many terms are there in the A.P. whose first and fifth terms are -14 and 2 respectively and the sum of the terms is 40?
3.) How many terms of the A.P. 9, 17, 25... must be taken so that their sum is 636?
4.) How many terms of the A.P. 63, 60, 57... must be taken so that their sum is 693?
5.) How many terms of the A.P. 27, 24, 21... should be taken so that their sum is zero?