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· 1 Months ago

some questions are unnecessarily being made tough which is I think is not required

Question:

If x = a (b – c), y = b (c – a) and z = c (a – b), then  \(\left ( \cfrac {x}{a} \right )^3 + \left ( \cfrac {y}{b} \right )^3 + \left ( \cfrac {z}{c} \right )^3\)  = 

Options:
A)
B)
C)
D)
Solution:
Ans: (c)


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