Question

Q 3 WRITE THE RECIPROCAL

Answer 1

What is the reciprocal of 3 + √7 ?

Answer :-

     The reciprocal is 1/(3 + √7i)

   1/(3 + √7i) = 1 (3 - √7i) / 3 + √7i (3 - √7i)

                   = (3 - √7i) / (3² - (√7i)² )                    

                   = (3 - √7i) / (9 - 7i) ...

HOPE IT HELPS ...

Answer 2

the reciprocal is 1/ 3 root 7