Question

(\3)-² + (1\4)-² + (1\5)-²​

Answer 1

Step-by-step explanation:

(3)-² + (1/4)-² + (1/5)-²

• 1/3² + 1 ÷ (1/4)² + 1 ÷ (1/5)²
• 1/9 + 1 ÷ 1/16 + 1 ÷ 1/25
• 1/9 + 1 × 16/1 + 1 × 25/1 (Reciprocal)
• 1/9 + 16/1 + 25/1
• LCM = 9
• 1/9 + 144/9 + 225/9
• 370/9

370/9 is your final answer