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Question Number 49463 by Pk1167156@gmail.com last updated on 07/Dec/18

If 7^(log _7 (x^2 −4x+5)) = x−1, x may have values

If7log7(x2−4x+5)=x−1,xmayhavevalues

Answered by tanmay.chaudhury50@gmail.com last updated on 07/Dec/18

a^x =m x=log_a m log_7 (x^2 −4x+5)=log_7 (x−1) x^2 −4x+5=x−1 x^2 −5x+6=0 (x−2)(x−3)=0 x=2 and 3

ax=mx=logamlog7(x2−4x+5)=log7(x−1)x2−4x+5=x−1x2−5x+6=0(x−2)(x−3)=0x=2and3

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