Answers

2014-03-06T14:47:06+05:30
The value of x is 2.
3^4-108+27=0
108-108=0
so we can prove x=2

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2014-03-06T18:49:57+05:30
3^2^x-12*3^x+27=0
3^2^x=9^x
12*3^x = 36^x
9^x-36^x+27 = 0
-27^x+27 = 0
27^x=27
x=1
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