If x varies as the mth power of y, y varies as the nth power of z and – McqOptions

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1.	If x varies as the mth power of y, y varies as the nth power of z and x varies as the pth power of z, then which one of the following is correct?
A.	p = m + n
B.	None of these
C.	p = m - n
D.	p = mn
Answer» E.

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