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Class XI
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Chapter 7
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General term and specific term
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Quiz
Class XI
Quick check : General term
6 questions
Question 1 of 6
Score:
0
/ 0
A
(
7
r
)
x
7
−
r
\binom{7}{r} x^{7-r}
(
r
7
)
x
7
−
r
B
(
7
r
)
x
7
−
r
⋅
2
r
\binom{7}{r} x^{7-r} \cdot 2^r
(
r
7
)
x
7
−
r
⋅
2
r
C
(
7
r
)
x
r
⋅
2
7
−
r
\binom{7}{r} x^r \cdot 2^{7-r}
(
r
7
)
x
r
⋅
2
7
−
r
D
(
7
r
−
1
)
x
7
−
r
⋅
2
r
\binom{7}{r-1} x^{7-r} \cdot 2^r
(
r
−
1
7
)
x
7
−
r
⋅
2
r
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