Question

The sum of two numbers is 30 and their difference is 6 find the difference of their squert

Answer 1

Two no are 12 and 18.      12×12=144.        And 18×18=324.   The diff between the two square is 180

Answer 2

Answer:

TWO number be X and Y

then  X + Y =30 and X-Y = 6

OR (x-y) (x-y) = 180 or ($x^{2}$ -$\\ y2$)=180