Question

if (a+b)2 = 73 and ab = 65, find the value of a2 + b2

Answer 1

Step-by-step explanation:

Here,

(a + b)² = 73

ab = 65

then,

( a² + b²) = ( a+b)² - 2ab

= (73)² - 2(65)²

solve it

Answer 2

Answer:

Q- if (a+b)2 = 73 and ab = 65, find the value of a² + b² .

=> (a + b)² = 73

ab = 65

then,

( a² + b²) = ( a+b)² - 2ab

= (73)² - 2(65)²

Do this calculation n get ur ans.

Thanks.