Question

if a-b=5,a sq +b sq = 49 find the value of ab​

Answer 1

Step-by-step explanation:

a-b=5

a^2 + b^2 = 49

we can solve it by applying the formula of ( a - b )^2 ,

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

(5)^2 = 49 - 2ab

2ab = 24

ab = 12

Hope it helps