The linear 3x + 2y =6 has how many solutions

Sir ,

u can give me list of ledger under the tally9.0

• Cos^-1(cos7π/6)

In figure, P, Q, R are mid points of sides BC, AC and AB of triangle ABC. If BQ and PR intersect at X and CR and PQ intersect at Y, then show that XY = 1/4 BC

A cubical block of side 7 cm is surmounted by a sphere. Find the surface area of block.

Prove that tan^-1x+cot^-1x=π/2

find the rate of change of volume of a sphere with respect to its diameter.