Saturday
November 22, 2014

Homework Help: maths pls help

Posted by Claire on Wednesday, November 21, 2007 at 4:06pm.

1. Solve the following simultaneous equations:

log2 xy = 7
log2 (x^2/y) = 5

2. If log y x =a and log z x=b where x is not equal to 1, express the following in terms of a and b:

logy (yz)

Solve the following simultaneous equations:

y = 2 log3 x
y+1 = log3 9x

Thanks! I tried to work them out but I couldn't!

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