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The coefficient of x^(3) in the infinite...

The coefficient of `x^(3)` in the infinite series expansion of `(2)/((1-x)(2-x))`, for `|x| lt 1`, is

A

`-1//16`

B

`15//8`

C

`-1//8`

D

`15//16`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2014-MULTIPLE CHOICE QUESTIONS
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  3. The coefficient of x^(3) in the infinite series expansion of (2)/((1-x...

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  5. Let S denote the sum of the infinite series 1+(8)/(2!)+(21)/(3!) +(40...

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  8. Let z(1) be a fixed point on the circle of radius 1 centered at the o...

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  9. Suppose that z(1), z(2), z(3) are three vertices of an equilateral tr...

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  11. In the Argand plane, the distinct roots of 1+z+z^(3)+z^(4)=0(z is a co...

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  12. If A, B, C are the angles of a triangle then tan ((B+C)/2)=

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  17. Let f(x) = max {x+|x|, x-[x]}, where [x] denotes the greatest integer ...

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  18. Let X(n)={z=x+iy:|z|^(2) le (1)/(n)} for all integers n ge 1. Then cap...

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