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

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

A

No real root

B

One real root

C

Two real roots

D

Four real roots

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2008-MULTIPLE CHOICE QUESTIONS
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  2. If a, b, c be in Arithmetic progression, then, then value of (a+2b-c)(...

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. The equation e^(x)+x-1=0 has, apart from x = 0

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  17. The function f(x)=e^(ax)+e^(-ax),agt0 is monotonically increasing for

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  18. Find the following: int 1/(x(x^7+1))dx

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  19. If ""^(16)C(r)=""^(16)C(r+1) then the value of ""^(r)P(r-3) is

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  20. The coefficient of x^(-10) in (x^(2)-(1)/(x^(3)))^(10) is

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