Question

what will be the value​

Answer 1

Answer:

3²+4²+5²= 9+16+25=60

✨ ItzMahi✨

Answer 2

Answer:

50

Step-by-step explanation:

We know that

$\frac{1}{ {a}^{ - m} } = {a}^{m}$

Therefore

(1/3)-² + (1/4)-²+ (1/5)-²

= (3)²+ (4)²+ (5)²

= 9 +16 + 25

= 50