Question

if X+y=6 and xy=13, find x²+y²​

Answer 1

Explanation:

Given,

x+y = 6

xy= 13

so,

x² +y² = ( x + y)² - 2xy

= ( 6)² - 2 * 13

= 36 - 26 = 10

Answer 2

${x}^{2} + {y}^{2} = {(x + y)}^{2} - 2xy \\ {6}^{2} - 2 \times 13 \\ = 36 - 26 \\ = 10$

hope it helps u pls mark as brainliest