Answer to Question #59139 in Algebra for UDUAKABASI

Question

Solve the simultaneous equation
Log2x - log2y = 2
Log2(x-2y) = 3

A projectile is launched with a velocity of 30ms-1. If it just clear a barrier 40m high at a distance 30m away from the point of projection, calculate, correct to one decimal place.
Angle of projection
Horizontal range
Maximum height attained ( Take g = 10 ms-2 )

Express (5-2√10)/(3√5+ √2) in the form M√2 + n√5
3x2 + 2y2 + xy + x - 7 = 0

Find dy/dx at the point (-2, 1 )