A physical quantity is given by `X=M^(a)L^(b)T^(c)`. The percentage error in measurement of `M,L` and `T` are `alpha, beta` and `gamma` respectively. Then maximum percentage error in the quantity `X` is
A. `aprop+bbeta+cgamma`
B. `aprop+bbeta+cgamma`
C. `(a)/(prop)+(b)/(beta)+(c)/(gamma)`
D. None of these