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Which is the (r + 1)th term in the expansion of (a + b)ⁿ? | StemPy Lab
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Which is the (r + 1)th term in the expansion of (a + b)ⁿ?
Mathematics
Easy
High School (11–12)
Algebra › Binomial Theorem
Algebra › Algebraic Identities and Factorisation
Board Exam
A-Level
IB
Created by
StemPy Lab
Which is the
(
r
+
1
)
(r + 1)
(
r
+
1
)
th term in the expansion of
(
a
+
b
)
n
(a + b)^n
(
a
+
b
)
n
?
n
C
r
a
n
−
r
b
r
{}^nC_r\,a^{n-r}b^r
n
C
r
a
n
−
r
b
r
n
C
r
a
r
b
n
−
r
{}^nC_r\,a^{r}b^{n-r}
n
C
r
a
r
b
n
−
r
n
C
r
a
n
−
r
+
1
b
r
−
1
{}^nC_r\,a^{n-r+1}b^{r-1}
n
C
r
a
n
−
r
+
1
b
r
−
1
n
C
r
+
1
a
n
−
r
b
r
{}^nC_{r+1}\,a^{n-r}b^r
n
C
r
+
1
a
n
−
r
b
r
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