Question

determine o valor a expressao (3 √ 5-2 √ 3),(3 √ 5+ 2√ 3)

Answer 1

(3 √ 5-2 √ 3)
3 √ (5-2) ×3
3 √ 3×3
3 √3²
3×3
9



(3 √ 5+ 2√ 3)
3 √ (5+2) ×3
3 √ 7×3
3 √ 21 ≈ 13,7...