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ICSE Class 8 Answered

(x/y) to the power 3x+2 = (y/x)to the power 2-x

find the value of x

Asked by akshayk3199 | 23 Jun, 2018, 08:30: PM
Expert Answer
begin mathsize 16px style open parentheses straight x over straight y close parentheses to the power of 3 straight x plus 2 end exponent equals open parentheses straight y over straight x close parentheses to the power of 2 minus straight x end exponent
open parentheses straight x over straight y close parentheses to the power of 3 straight x plus 2 end exponent equals open parentheses straight x over straight y close parentheses to the power of straight x minus 2 end exponent
3 straight x plus 2 equals straight x minus 2
3 straight x minus straight x equals negative 4
2 straight x equals negative 4
straight x equals negative 2 end style
Answered by Sneha shidid | 25 Jun, 2018, 01:18: PM

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