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Byju's Answer
Standard XII
Mathematics
Sum of Binomial Coefficients of Odd Numbered Terms
Evaluate : ...
Question
Evaluate :
60
p
q
r
(
p
2
+
q
2
)
(
q
2
+
r
2
)
(
r
2
+
p
2
)
30
p
q
(
p
2
+
q
2
)
(
r
2
+
p
2
)
A
1
2
(
q
2
+
r
2
)
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B
2
r
(
p
2
+
q
2
)
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C
2
r
(
q
2
+
r
2
)
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D
2
r
(
r
2
+
p
2
)
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Solution
The correct option is
C
2
r
(
q
2
+
r
2
)
60
p
q
r
(
p
2
+
q
2
)
(
q
2
+
r
2
)
(
r
2
+
p
2
)
30
p
q
(
p
2
+
q
2
)
(
r
2
+
p
2
)
=
2
r
(
q
2
+
r
2
)
Suggest Corrections
0
Similar questions
Q.
Factorise:
(
p
2
−
2
p
q
+
q
2
)
−
r
2
Q.
If
(
p
2
−
q
2
)
x
2
+
(
q
2
−
r
2
)
x
+
r
2
−
p
2
=
0
and
(
p
2
−
q
2
)
y
2
+
(
r
2
−
p
2
)
y
+
q
2
−
r
2
=
0
have a common root for all real values of p, q and r, then find the common root.
Q.
The roots of
(
p
2
+
q
2
)
x
2
+
2
(
q
2
+
r
2
)
x
+
(
q
2
+
r
2
)
=
0
are equal. Which of the following must be true?
Q.
Factorize the polynomial,
−
r
2
+
p
2
+
q
2
−
2
p
q
.
Q.
Prove that
(
a
p
+
q
)
2
(
a
q
+
r
)
2
(
a
r
+
p
)
2
(
a
p
.
a
q
.
a
r
)
4
=
1
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