Question

it is very difficult question plz solve

Answer 1

que 2 let find the value of (a+b)^2
(a+b)^2= a^2+2ab+ b^2
25=a^2+b^2+ 10×2
a^2+b^2=25-20=5
i hope it will help you

Answer 2

Answer:

Step-by-step explanation:

2) 5

3) 3