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The values of x for which the given matr...

The values of x for which the given matrix `[(-x,x,2),(2,x,-x),(x,-2,-x)]` will be non-singular are

A

`-2lexle2`

B

for all x other than 2 and -2

C

`xge2`

D

`xle-2`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2008-MULTIPLE CHOICE QUESTIONS
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  2. The sum of the infinite series ((1)/(3))^(2)+(1)/(3)((1)/(3))^(4)+(1)/...

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  3. The values of x for which the given matrix [(-x,x,2),(2,x,-x),(x,-2,-x...

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  4. If tan((alphapi)/(4))=cot((betapi)/(4)), then n is an integer.

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  5. The principal value of sin^(-1)(tan(-(5pi)/(4))) is

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  6. The value of cos""(pi)/(15)cos""(2pi)/(15)cos""(4pi)/(15)cos""(8pi)/(1...

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  7. If a, b, c be in Arithmetic progression, then, then value of (a+2b-c)(...

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  8. The equation x^(2)-3|x|+2=0 has

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  9. The principal amplitude of (sin40^(@)+icos40^(@))^(5) is

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  10. If log(5)log(5)log(2)x=0 then value of x is

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  11. A person draws out two balls successively from a bag containing 6 red ...

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  12. If three real numbers a, b, c are in Harmonic Progression, then which ...

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  13. A mappin f : N rarrN where N is the set of natural numbers is defined ...

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  14. If the magnitude of the coefficient of x^(7) in the expansion of (ax^(...

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  15. The mapping f:NrarrN given by f(n)=1+n^(2), n in N where N is the set ...

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  16. A and B are two points on the Argand plane such that the segment AB is...

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  17. A function f : A rarrB, where A={x:-1lexle1} and B={y//1leyle2} is def...

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  18. The function f(x) which satisfies f(x)=f(-x)=(f'(x))/(x) is given by

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  19. A function f(x) is defined as follows for real x f(x)={{:(1-x^(2),", f...

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  20. Select the correct statement from (A), (B), (C ), (D). The function f(...

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