Question

show a^2+b^2 in the form of (a+bi)(a-bi). "i" here is iota

Answer 1

Solution:-

given by:-

(a+bi)(a-bi)

${a}^{2} - {(bi)}^{2} \\ {a}^{2} - ( - 1) {b}^{2} \\ {a}^{2} + {b}^{2}$