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CBSE Class 8 Answered

find the value of (2/3)^-2
Asked by shanelmahajan | 19 May, 2021, 01:43: PM
Expert Answer
begin mathsize 16px style open parentheses 2 over 3 close parentheses to the power of negative 2 end exponent
equals 1 over open parentheses 2 over 3 close parentheses squared space space space..... straight a to the power of negative straight m end exponent equals 1 over straight a to the power of straight m
equals 3 squared over 2 squared
equals 9 over 4 end style
Answered by Yasmeen Khan | 19 May, 2021, 05:59: PM
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