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y = ( ax^(2) )/(( x - a) ( x - b) ( x - ...

` y = ( ax^(2) )/(( x - a) ( x - b) ( x - c)) + ( bx)/( ( x - b) ( x - c))+(c)/( x - c) + 1, and (dy)/( dx) = f (x, y) {(a)/( a - x) + (b)/( b - x) + (c)/( c - x)}`, then f(x, y) is a)x/y b)xy c)y/x d)None of these

A

x/y

B

xy

C

y/x

D

None of these

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The correct Answer is:
C
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