Question

please solve the question no.9 and 10​

Answer 1

Answer:

we know that (a+b)^2=a^2+b^2+2ab

from this we can write a^2+b^2=(a+b)^2-2ab

we used this in 10th q

and answer of 10th is 37

Answer 2

WAIT A MIN....PLEASEEE....MERA PHONE HANG HO GYA HAI