Question

If α + β =5 and α X β =6; then α² + β² = ?​

Answer 1

$\huge\boxed{\pink{\sf{Given -}}}$

α + β = 5

αβ = 6

$\huge\boxed{\pink{\sf{Solution -}}}$

α² + β² = ( α + β ) ² - 2 αβ

Putting the value α + β = 5 and αβ = 6

= ( 5 )² - 2(6)

= 25 - 12

= 13

The value of α² + β² is 13