Question

integrals ka 26 bhi 

sir please integrals chapter ki example 21 ka video bana dijiai

Two year ago salim was thrice as old as his doughter and six years later he will be 4 years older than twice her age how old are they now

If y=3e^2x + 2e^3x find dy/dx

-2y+3x=14 express  y in  terms  of x

find the equation of plane passing through the points p(6,5,9) and parallel to the plane determined by the points A(3,-1,2) B(5,2,4),C(-1,-1,6) also find the distance of the plane from the point A

1. Superb .
2. thank u . 
3. Give the concepts of iit 11th and 12 th .and some question and answers for iit sums.😊😊
   

A sphere with centre O sits atop a pole. An observer on the ground is at a distance of 50mfrom the foot of the pole. She notes the angle of elivation from the observer point P and Q on the sphere is 30 degree and 60 degree respectively find radius of sphere

Please provide optional exercise solutions of surface area and volume, class-10

prove that if x greater than or equal to 1/2 and x less than or equal to 1 ,cos inverse x +cos inverse ( x/2 +underroot (3-3x square) /2 =180/3