Ex 12.1, 3 - Chapter 12 Class 8 Exponents and Powers - Part 6

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Ex 12.1, 3 - Chapter 12 Class 8 Exponents and Powers - Part 7

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  1. Chapter 12 Class 8 Exponents and Powers
  2. Serial order wise

Transcript

Ex 12.1, 3 Find the value of. (v) {((−2)/3)^(−2) }^2 {((−2)/3)^(−2) }^2 = ((−2)/3)^(−2 × 2) = ((−2)/3)^(−4) = (−2)^(−4)/3^(−4) = (−2)^(−4)× 1/(3)^(−4) = 1/(−2)^4 ×3^4 (𝑈𝑠𝑖𝑛𝑔 〖(𝑎^𝑚)〗^𝑛=𝑎^(𝑚 × 𝑛) ) (𝑈𝑠𝑖𝑛𝑔 (𝑎/𝑏)^𝑚=𝑎^𝑚/𝑏^𝑚 ) = (3 × 3 × 3 × 3)/(−2 ×−2 ×−2 × −2) = (9 × 9)/(4 × 4) = 𝟖𝟏/𝟏𝟔

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.