Question

if x-y =19 and xy=20, find the value of x²+y²​

Answer 1

Step-by-step explanation:

write the equation neatly

for finding the value

use the roots

formula is

X²+Y²= (a+b) - 2a×b

here a = Alfa and b=beta

hope this is helpful

Answer 2

Answer:

Please mark my answer as the brainliest answer.

Hope it helps you!!!