Question

difference between two numbers is 9 and difference between their squares is 981. lowest of the two numbers is:

Answer 1

answer is : a=50 and b is 59

use a^2 - b^2 = (a+b)(a-b)

first find out (a+b), it would be a+b=109

then use this eqn with a-b=9

Solve the above eqns. You will get value of a and b.