Math, asked by jaiswalsami168, 6 months ago

If y = (5/7 )—5

x (7/5)—7

, then find the value of 2y + 7.

Answers

Answered by chaitanyagoyal7777

0

Answer:

Given,xy=75xy=75

5x−2y3x+2y=(5×7−2×5)(3×7+2×5)=35−1021+10=25315x−2y3x+2y=(5×7−2×5)(3×7+2×5)=35−1021+10=2531

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