Question

help withouth factorizing

Answer 1

Answer:

29

Step-by-step explanation: 2^2+3^2+4^2 (since 1/a^-2=a^2)

=4+9+16=29

Answer 2

Answer:-

⇒ $(\frac{1}{2})^{-2} + (\frac{1}{3})^{-2} + (\frac{1}{4})^{-2}$

⇒ $2^{2} + 3^{2} + 4^{2}$

⇒ 4 + 9 + 16

⇒ 29

Hence here is your answer 29