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Question Number 175104 by blackmamba last updated on 19/Aug/22
log _3 (a+1)=log _4 (a+8) a=?
log3(a+1)=log4(a+8)a=?
Answered by MJS_new last updated on 19/Aug/22
a+8=4^x ∧a+1=3^x ⇒ x=2∧a=8
a+8=4x∧a+1=3x⇒x=2∧a=8

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