CBSE Class 8 Answered

1010

Asked by nreedypannala | 31 Jan, 2022, 07:43: PM

Expert Answer

Given: x = (3/4)³ (4/3)⁵ & y = (2^-2 + 3^-2 + 4^-1)

x plus y equals 3 cubed over 4 cubed cross times 4 to the power of 5 over 3 to the power of 5 plus 1 over 2 squared plus 1 over 3 squared plus 1 fourth equals fraction numerator open parentheses 3 cubed cross times 4 to the power of 5 close parentheses over denominator 4 cubed cross times 3 to the power of 5 end fraction plus 2 over 4 plus 1 over 3 squared equals fraction numerator open parentheses 3 cubed cross times 4 to the power of 5 close parentheses over denominator 4 cubed cross times 3 to the power of 5 end fraction plus fraction numerator 2 cross times 4 squared cross times 3 to the power of 5 over denominator 4 cubed cross times 3 to the power of 5 end fraction plus fraction numerator 4 cubed cross times 3 cubed over denominator 3 to the power of 5 cross times 4 cubed end fraction equals fraction numerator open parentheses 3 cubed cross times 4 to the power of 5 close parentheses plus open parentheses 2 cross times 4 squared cross times 3 to the power of 5 close parentheses plus open parentheses 4 cubed cross times 3 cubed close parentheses over denominator 4 cubed cross times 3 to the power of 5 end fraction

Answered by Renu Varma | 03 Feb, 2022, 10:40: AM

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