Question

1. If a + b = 8 and ab = 15, find the value of (a + b).​

Answer 1

Answer:

the value of a is 3 and b is 5 or Visa versa.

hope this helps you.

Answer 2

$\sf \green{Correct \: Question :}$

If a² + b² = 8 and ab = 15, find the value of (a + b)²

$\sf\purple{Solution :}$

$\sf{(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab$

$\sf{(a + b)}^{2} = 8 + 2(15)$

$\sf{(a + b)}^{2} = 8 + 30$

${\sf {\pink{ \huge{(a + b)}^{2} = 38}}}$