The sum of numerator and denominator of a fraction is three less than twice denominator. If each numerator and denominator is decreased by 1, the fraction becomes 1/2 . Find the fraction
The sum of numerator and denominator of a fraction is three less than twice denominator. If each numerator and denominator is decreased by 1, the fraction becomes 1/2 . Find the fraction
The perpendicular AD on the base BC of Δ ABC intersects BC in D such that BD=3CD. Prove that 2AB2=2AC2+BC2.
Find the integral of sqrt x^2+a^2 with respect to x and hence evaluate