Question

Find the value of a^2 And b^2 , when.​

Answer 1

Step-by-step explanation:

=> (a+b)² = a²+2ab+b²

=> 9² = a²+2*20 + b²

=> 81 = a²+b²+40

=> a²+b² = 41

Answer 2

Answer:

hey mate ❤️....here is the answer.

we have,

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

=>9^2=a^2+b^2+2.20

=>a^2+b^2=81-40

=>a^2+b^2=41

•°•the value of a^2+b^2 is 41

Step-by-step explanation:

hope this help you