Everything is in the title... I can't find the trick for those 2 PS problems.
Thanks for your help
Thanks for your help
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1)
2^x(1-2^-2) = 3 * 2^13
2^x(1-1/4) = 3 * 2^13
2^x(3)/2^2 = 3 * 2^13
2^(x-2) * 3 = 2^13 * 3
hence,x-2 = 13
x=15
2)
write 4 as 2^2 and then use 5^m * 2^m = 10^m
u will get m=35
