Question

If a-b=5 and ab= 12 lind the value of a ²+b²​

Answer 1

Answer:

here,

a² + b²

= ( a - b)² + 2ab

= ( 5) ² + 2× 12

= 25 - 24

= 1

Answer 2

Here we go:-

Given:-

a-b=5

ab =12

To find:- a²+ b²

......

(a-b)²= a²+b²-2ab

=> (5)²= a²+b² - 2*12

=>25+24= a²+ b ²

...So. a²+b²= 49