If p, q, r are al real numbers, then (p-q)³ +(q-r)³+(r-p)³ is equal to

(a) 0
(b) 3(p-q)(q-r)(r-p)
(c) (p-q)(q-r)(r-p)
(d) 1

Anurag Mishra Professor Asked on 24th March 2016 in Maths.
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1 Answer(s)

Ans is (b)

mritunjay Default Answered on 26th March 2016.
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