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0:01:00

In an A.P,if 7a7=11a11,then a18=

0:05:54

If √2x+9-√x-4=3, then find value of x

0:03:35

The value of a³+b³+c³-3abc if a+b+c=12 and ab+bc+ca=47 is

0:09:20

In a triangle the length of the larger sides are 10,9 respectively.If angles are in A.P,then .....

0:04:41

Find the measure of all angles of a parallelogram if one angle is 24° less than twice of smallest

0:08:52

The angle of depression of a car parked on the road from the top of a tower of height of 150m......

0:01:00

Find the sum of coefficients in (1+x-3x²)⁴¹⁶³

0:02:49

Differentiate the function f(x)=sec(tan(√x)) with respect to x.

0:06:37

Find the coefficient of a³b⁴c⁵ in the expansion of(ab+ca+ab)⁶

0:01:01

A ladder 15m long just reached the top of the vertical wall and makes an angle of60°....

0:03:39

In a quadrilateral ABCD,CO and DO are the bisectors of Lc and Ld respectively.Prove that...

0:07:20

If the sum of first 10 terms of an A.P is 4 times the sum of it 5 terms then a:d is

0:03:36

If x-1/x=5 then x³-1/x³=?

0:08:41

Prove that the coefficient of x⁵ in the expansion of (1+x²)⁵.(1+x)⁴ is 60.

0:04:43

1³-1+2³-2+3³-3+--------=?

0:03:35

The consecutive integers form an A.P whose first term is p²+2,then the sum of (2p+1) ....

0:01:00

The 12th term of A.P x,4x/3,5x/3,2x,----- is

0:06:02

Find the coefficient of x²⁵ in expansion of expression summation of ⁵⁰Cr(2x-3)^r(2-x)^⁵⁰–r

0:16:05

Find the coefficient of x⁴ in the expansion of (2-x+3x²)⁶

0:09:15

Find n,if the ratio of the fifth term from the beginning to the fifth term from the end.....

0:08:33

Find the number of irrational terms in the expansion of (5⅙+2⅛)¹⁰⁰

0:04:03

Differentiate the function f(x)=sec(tan √x) with respect to x

0:08:32

Differentiate sin^-1(2x√1-x²) with respect to x,if (i)-1/√2 lessthan x lessthan 1/√2......

0:05:14

Find dy/dx for y=sin^-1(cos x),where x€(0,2π).