If 3^x=5^y=45^z, prove that x=2yz÷y-z
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Answered by
21
hey mate
here's the solution
3 = 5^(y/x) ( from 3^x = 5^y)
3 = 45 ^( z/x) ( from 3^x = 45^z)
Now refer to attachment
here's the solution
3 = 5^(y/x) ( from 3^x = 5^y)
3 = 45 ^( z/x) ( from 3^x = 45^z)
Now refer to attachment
Attachments:
Answered by
21
Two things you should remember while answering this question is
TRANSPOSING and 'WHEN BASES ARE EQUIVALENT/EQUAL, THE EXPONENTS MUST BE EQUAL TOO'
once this is clear to you or you may also head Google if u have any doubts and return back here to refer to answer which is given here, in the attached picture.
.
Hope it helps!
Attachments:
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