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Please solve log x 4 = x. Don't give worthless questions!!!

Please solve logx4 = x. Don't give worthless questions!!!

Grade:11

2 Answers

Arun
25750 Points
5 years ago
Dear student
 
log x 4 = x
Now
x^x = 4
This is only possible if x = 2
Hope it helps
 
Regards
Arun (askIITians forum expert)
Asif Rahaman
16 Points
5 years ago
Given ,logx4=x
so  we can write x as x logxx  (because logaa=1)
so, logx4 = xlogxx
       logx4=logxxx.  (Alogcd=logcdA)
comparing both side we get 
4=xx
22=xx
Hence x=2.  (Required answer)
 

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