Mashaal Masha
Mashaal Masha
 Sep 29, 2022
0
Choose the correct options for the following questions.
What is the coefficient of fourth power of $x$ in $(2-x)^{6}$>
Difficulty: Easy
A:
2
B:
$\frac{6}{4}$
C:
10
D:
60
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How many terms are there in the expansion of $(1+x)^{n}$
Difficulty: Easy
Verified By ClassNotes
A:

$2^{n}$

B:

$n^{2}$

C:

$n+1$

D:

$n-1$

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Midterm in expansion of $(3-2x)^{7}$ is
Difficulty: Easy
A:
$540x^{3}$
B:
$-22680x^{3}$
C:
$1040x^{4}$
D:
None of these
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What is the coefficient of $a^{8}b^{4}$ in the expansion of $(a+b)^{12}$
Difficulty: Easy
A:
494
B:
495
C:
496
D:
497
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Sum of the coefficients in expansion of $(x+y)^{5}$ is
Difficulty: Easy
A:
30
B:
31
C:
32
D:
None of these
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The fourteenth term of $(3-a)^{15}$ is
Difficulty: Easy
A:
$-17a^{12}$
B:
$-945a^{13}$
C:
$-941a^{15}$
D:
$-515a^{12}$
The term independent of x in $(\frac{3}{2}x^{2}-\frac{1}{3x})^{9}$ is
Difficulty: Easy
A:
1/3
B:
-1/3
C:
7/18
D:
-7/18
The coefficient of $x^{18}$ in $(ax^{4}-bx)^{9}$ after expansion is
Difficulty: Easy
A:
$84a^{3}b^{6}$
B:
$22a^{3}b^{6}$
C:
$27a^{4}b^{5}$
D:
$28a^{3}b^{6}$
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The fifth term of $(a+2x^{3})^{17}$ is
Difficulty: Easy
A:
$4013x^{3}a^{13}$
B:
$22080x^{13}a^{12}$
C:
$223x^{7}a^{18}$
D:
$38080x^{13}a^{12}$
The term independent of x in the expansion of $(\sqrt{x^{8}}-\frac{2}{x})^{18}$ is
Difficulty: Easy
A:
1777
B:
223
C:
257
D:
$^{18}C_{6}\times 64$

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