Asked by nafiu
Solve the simultaneous equations
2^x-5^y=3
and
2^(x-2)+5^(y-2)=2
2^x-5^y=3
and
2^(x-2)+5^(y-2)=2
Answers
Answered by
Steve
Lat
a = 2^(x-2)
b = 5^(y-2)
Then you have
4a-25b = 3
a+b = 2
Hmmm. I suspect a typo, since the results are strange.
a = 2^(x-2)
b = 5^(y-2)
Then you have
4a-25b = 3
a+b = 2
Hmmm. I suspect a typo, since the results are strange.
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