Question

1f a - b = 3 and a² + 62 = 29, find the value of ab.​

Answer 1

Answer:

10

Step-by-step explanation:

a-b=3 ----(1)

a²+b²=29 -----(2)

we know that the algebraic identity.

(a -b )² = a²+b² -2ab

3²= 29 - 2 an

[from(1)and(2)]

9 = 29 - 2 an

2ab = 29 - 9

2ab = 20

ab =20/2

ab =10