Question

If a-b =3 and
${a}^{2} + {b}^{2} = 29$
then ab =

Answer 1

Hey mate here is the answer

Hope it helps you

Answer 2

hey!!

here is your answer >>>

let us whole square a-b on both the sides. 

we get, 

(a-b)^2 = (3)^2 

a^2 + b^2 -2ab = 9 

29-2ab=9

-2ab = 9-29

-2ab = -20

2ab = 20 

ab = 10

hope my answer helps!