Ex 10.1, 3 (iii) - Chapter 10 Class 8 Exponents and Powers

Last updated at August 14, 2026 by

Ex 10.1, 3 - Find the value of (iii) (1/2)^−2 + (1/3)^−2 + (1/4)^−2 - Ex 10.1

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Ex 10.1, 3 Find the value of. (iii) (1/2)^(−2)+ (1/3)^(−2)+ (1/4)^(−2) (1/2)^(−2)+ (1/3)^(−2)+ (1/4)^(−2) = 1^(−2)/2^(−2) + 1^(−2)/3^(−2) + 1^(−2)/4^(−2) = 𝟏/𝟐^(−𝟐) + 𝟏/𝟑^(−𝟐) + 𝟏/𝟒^(−𝟐) = 𝟐^𝟐 + 𝟑^𝟐 + 𝟒^𝟐 = 4 + 9 + 16 = 29

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