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CBSE Class 9 Answered

if 1/x=(2^74+2^72)/(2^72+2^70), then find the value of x.
Asked by prasantachakraborty005 | 06 Aug, 2018, 04:27: PM
answered-by-expert Expert Answer
begin mathsize 16px style 1 over straight x equals fraction numerator 2 to the power of 74 plus 2 to the power of 72 over denominator 2 to the power of 72 plus 2 to the power of 70 end fraction equals fraction numerator begin display style 2 end style to the power of 72 begin display style open parentheses 2 squared plus 1 close parentheses end style over denominator 2 to the power of 70 open parentheses 2 squared plus 1 close parentheses end fraction equals 2 squared equals 4 straight x equals 1 fourth end style
Answered by Arun | 07 Aug, 2018, 01:05: PM

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