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Ex 12.1, 3 (v) - Chapter 12 Class 8 Exponents and Powers
Last updated at March 22, 2023 by Teachoo
Ex 12.1
Ex 12.1, 1 (i)
Ex 12.1, 1 (ii)
Ex 12.1, 1 (iii) Important
Ex 12.1, 2 (i)
Ex 12.1, 2 (ii) Important
Ex 12.1, 2 (iii)
Ex 12.1, 2 (iv) Important
Ex 12.1, 2 (v)
Ex 12.1, 3 (i)
Ex 12.1, 3 (ii) Important
Ex 12.1, 3 (iii) Important
Ex 12.1, 3 (iv)
Ex 12.1, 3 (v) Important You are here
Ex 12.1, 4 (i) Important
Ex 12.1, 4 (ii)
Ex 12.1, 5 Important
Ex 12.1, 6 (i) Important
Ex 12.1, 6 (ii)
Ex 12.1, 7 (i) Important
Ex 12.1, 7 (ii)
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
