Question

If√7-24i = x+iy and x=+-4,y=+-3 then√7-24i=?​

Answer 1

Answer:

here it is

Step-by-step explanation:

(√7-24i)²=(x+iy)²

7-24i = x²+i²y²+2ixy

7-24i = x²(-1)y²+2ixy

7-24i = x²-y²+2ixy

so, x²-y²=7

2xy= -24

xy = -12

and as given value of x is 4 and y is 3