Question

a + b = 4 এবং a + b =2 হলে-
৬. a²+b² মান
ক, 2) খ, 12 গ. 10 ঘ. 6​

Answer 1

Answer:

I think it's not a+b=2 its ab=2.

If i am correct then

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

=4^2-2×2

=16-4

=12