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Mathematics
Mathematics
Problem
If
p
p
p
,
q
q
q
,
r
r
r
are real and distinct numbers, then the value of
(
p
−
q
)
3
+
(
q
−
r
)
3
+
(
r
−
p
)
3
(
p
−
q
)
(
q
−
r
)
(
r
−
p
)
\frac{(p-q)^3 + (q-r)^3 + (r-p)^3}{(p-q)(q-r)(r-p)}
(
p
−
q
)
(
q
−
r
)
(
r
−
p
)
(
p
−
q
)
3
+
(
q
−
r
)
3
+
(
r
−
p
)
3
is: (A) 1 (B)
p
q
r
pqr
pq
r
(C) 2 (D) 3
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