Question

R=a4+a2b2+b4
If R=8a2 and b=1
then, a+1/a=?​

Answer 1

Answer:

given

R=8a^2

R=a^4+a^2b^2+b^4

b=1

put b=1then

R=a^4+a^2+1now put R=8a^2

by simplifying we get

a+1/a=3