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Question
Mathematics
The number of terms in the expansion of (x+y+z)10 is
Q. The number of terms in the expansion of
(
x
+
y
+
z
)
10
is
5762
238
Binomial Theorem
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A
11
30%
B
33
15%
C
66
47%
D
1000
9%
Solution:
Total number of terms in the expansion of
(
x
+
y
+
z
)
10
is
=
10
+
3
−
1
C
3
−
1
=
12
C
2
=
2
12
×
11
=
66