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mid point of xy
The mixed fraction XY/Z is equal to (XZ + Y)/Z.
y(z+x) + 4(x+z)
(1/x) - (1/y) = (1/z) Get the left-hand side over a common denominator:- (y-x)/xy = 1/z Take the reciprocal of both sides:- z = xy / (y-x)
lnx + .5lny - 5lnz First, make the coefficients into exponents: lnx + ln(y^.5) - ln(z^5) ln[xy^.5] - ln(z^5) ln[(xy^.5)/z^5] There you go!