Question

If the mid point of line segment joining the points p (6,a-2) and Q (-2,4) is (2,-4) then find the value of

The angle of elevation of a jet fighter fromA sphere of diameter 12 cm is dropped in a right circular cylinder , partially filled with water . If the sphere is completely submerged in water the water level rises by 32 / 9 cm .Find the diameter of the cylindrical vessel?a point A on the ground is 60 degree . after a flight of 15 seconds the angle of elevation changes to 30 degree . if the jet is flying at the speed 720 km/h find the constant height at which the jet is flying.

Integral e to the power x (x-1)dx by (x-1) to the power 3 dx

1. How to reduce this equation 
   
2. 2.5x 11.25y=45
3. Into 2x 3y=24
4. 
   

The radius of spherical balloon increases from centimetre to 14 cm is being pumped into find the ratio of surface areas of the balloon in the two cases

1. Express 2 3 1 5 0 as product of its prime factors is it unique

if POR is an equilateral triangle and PX perpendicular to QR, find the value of PX2