Question

(1/2)^-2 + (1/3)^-2 + (1/4)^2​

Answer 1

Answer:

13

Step-by-step explanation:

(1/2)⁻² + (1/3)⁻² + (1/4)²

Identity : (1/a)⁻ⁿ = aⁿ

→ (2)² + (3)² + (1/4)²

→ 4 + 9 + 1/16

→ [4(16) + 9(16) + 1]/16

→ (64 + 144 + 1)/16

→ 208/16

→ 13