Question

,,,,,,,,,,,,,,,,,,,,,simplify (2√5+3√2)²​

Answer 1

by using the formula $(a+b)² = a² + 2ab + b²$

(2✓5 + 3√2)² = (2√5)² + 2 × 2√5×3√2 + (3√2)²

$\: \: = 20 + 12√10 + 18$

$\: \: = 38 + 12√10$