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If^nC12=^nC8, then n is equal to:...

If`^nC_12=^nC_8`, then n is equal to:

A

20

B

4

C

8

D

none of these

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JBD PUBLICATION-MODEL PAPER (2)-EXERCISE
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  3. If^nC12=^nC8, then n is equal to:

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  4. If (p+q)the term of A.P is m and (p-q)the term is n, then the pth term...

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  5. The angle between the lines 2x-y+3=0 and x+2y+3=0 is

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  6. The eccentricity of the conic 9x^2-16y^2=144 is:

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  7. underset(xrarra)lim (x^n-a^n)/(x-a) is equal to:

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  8. One card is drawn from a pack of 52 cards. The probability that it is ...

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  9. Prove the following: (sinx + sin3x)/(cosx + cos3x)=tan 2x

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  11. Represent the complex number z=1+sqrt3i in the polar form.

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  12. Find the 13th term in the expansion of (9x -1/(3sqrt(x)))^(18)

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  13. Find the 6th term in the expansion of (x+3)^9.

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  14. Verify that (0, 7, 10) , (-1,6,6) and (-4, 9,6) are the vertices of a ...

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  15. Write down the truth value (T or F) of the following statement: Every ...

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  16. Write down the truth value (T or F) of the following statement: Zero i...

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  17. Prove that sqrt5 irrational.

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  18. In a survey of 600 students in a school, 150 students were found to be...

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  19. The relation 'f' is defined by f(x)={(x^2,0lexle3), (3x, 3lexle10):} ...

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