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Solve the following equation :-
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Answers
Answered by
35
this question can be also written as ,by the converting into exponential form we get
⇛3^x-8=3^(2-x)
⇛3^x-8= 9/3^x
let 3^x = y
⇛y-8=9/y
⇛y²-8y-9=0
⇛y²-9y+y-9=0
⇛y(y-9)+1(y-9)=0
⇛y= -1 and 9
but 3^x can't be negative it will be POSTIVE
⇛3^x=9
⇛3^x=3³
⇛x=2
xishitaghoshx:
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Answered by
19
Answer:
x = 2
Step-by-step explanation:
Hope it helps!
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