## Independent Term - MCQ

Compared to other sections, Mathematics is considered to be the most practice demanding subject. If praticed regularly, mathematics can help students to secure a meritorious position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1. To make the term 3nCr(-1)rx3n-r free from x, necessary condition is

•  3nCr=0
•  x3n-r=0
•  3n=r
•  None of these

Q2. In the expansion of (2x+(1/3x2))9, the term independent of x is

•  9C38
•  1792/9
•  9C364
•  9C31/81

Q3. The term independent of y in the expansion of (y-1/6-y1/3)9 is

•  84
•  8.4
•  0.84
•  -84

Q4. The term independent of x in the expansion of ((1/2)x1/3+x-1/5)8 will be

•  5
•  6
•  7
•  8

Q5. In the expansion of (x-(1/x))6, the constant term is

•  -20
•  20
•  30
•  -30

Q6. The term independent of x in the expansion of (x2-(1/x))9 is

•  1
•  -1
•  -48
•  None of these

Q7. In the expansion of (x+(2/x2))15, the term independent of x is

•  15C626
•  15C525
•  15C424
•  15C828

Q8. In the expansion of ((3x2/2)-(1/3x))9, the term independent of x is

•  9C3(1/63)
•  9C3(3/2)3
•  9C3
•  None of these

Q9. The term independent of x in (2x-(1/2x2))12 is

•  -7930
•  -495
•  495
•  7920

Q10. The ratio of the coefficient of x15 to the term independent of x in (x2+(2/x))15 is

•  1:32
•  32:1
•  1:16
•  16:1

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