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If the coefficient of x^(3) in the expan...

If the coefficient of `x^(3)` in the expansion of `(x^(2) + (k)/(x))^(6)` be 160, then the value of k is-

A

2

B

3

C

4

D

`-2`

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The correct Answer is:
A
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 8
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  2. If a(1) =2 and for all n ge 2, a(n)-a(n-1)=2n, then the value of (a(1...

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  3. If the coefficient of x^(3) in the expansion of (x^(2) + (k)/(x))^(6) ...

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  4. If sqrt(a+ib) =x+iy then possible value of sqrt(a-ib) is-

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  5. A student is to answer 10 out of 13 questions in an examination such t...

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  7. If omega is a complex cube root of unity then the value of [225 + ( 3 ...

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  8. Seventh term of an A.P. ios 40. Then the sum of its first 13 items is-

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  9. If x = sum (n =0) ^(oo) a^(n) , y = sum (n=0) ^(oo) b ^(n), z= sum (n=...

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  10. If n is a natural number, then [7 ^(2n)+2^(3(n-1)), 3 ^(n=-1)] is alwa...

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  11. If n is a positive integer then the coefficient of x ^(-1) in the expa...

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  12. The number of numbers that can be formed using the digits 3,4,5,6,7 (r...

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  13. A point P which represents a complex number z, moves such that |z-z(1)...

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  14. Solution set of the inequation |(2)/(x-4)| gt 1 (x ne 4) is-

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  15. If the 5th term of a G.P. is x, then the product of its first nine ter...

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  16. The sum of first n terms of the series 1^(2)+ 2 . 2^(2) + 3^(2) + 2. 4...

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  17. If ""^(-3) ^(n)C(r+1) then-

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  18. omega is an imaginary cube root of unity. If (1+ omega ^(2)) ^(m)=(1+o...

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  19. Locus of mid-point of the portionof the line x cos alpha + y sin alpha...

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