Question

Q17. a^n×b^n is equal to
a) 2^4
b) 2^3
c) 2^5
d) 1​

Answer 1

Answer:

The expression a^2+b^2 is irreducible over the real numbers.

However, a^2+b^2 = (a+ib)*(a-ib) where i is the imaginary square root of minus one.

If there is a general formula for a^n+b^n, it might get complicated.