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If veca = 2hat i + 4hat j - 3hat k, vecb...

If `veca` = `2hat i + 4hat j - 3hat k`, `vecb = hati + 2hat j + mhat k`, and `|veca xx vecb|`=0, then the value of m is………

A

`3/2`

B

-3

C

`-3/2`

D

3

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UNITED BOOK HOUSE-SET (11)-EXERCISE
  1. The value of overset(pi) underset(0)int cos^3 xdx is……..

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  2. If the rate of increasae of the side of a squre is 1 cm/sec, the rate ...

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  3. If veca = 2hat i + 4hat j - 3hat k, vecb = hati + 2hat j + mhat k, and...

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  4. The plane, which passes throught the point (3,2,0) and line (x - 3)/1 ...

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  5. choose the correct answer from the given alternatives : 2.if A and B a...

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  6. For a binomial distribution with n trials , mean and s.d. are 4 and sq...

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  7. prove that sin^(-1) cos sin^(-1)x + cos^(-1) sin cos^(-1)x = pi /2

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  8. Find the real values of K for which the following system of linear equ...

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  9. If A = [[2,3], [4,5]], prove that A - A^(T) is a skew-symmetric matrix...

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  10. Prove that, q(x) = {(|x|/x, when x ne 0),(0, when x = 0):} is disconti...

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  11. State Rolle's theorem.

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  12. Evaluate: int xe^x dx

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  13. Find the order and degree of the differential equation (d^3y)/(dx^3) ...

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  14. Show that the function f(x) = log x has neither a maximum nor a minium...

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  15. Let V and S be the volume and surfacea area of a sphere with radius re...

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  16. Find the direction cosines of the straight line which makes equal angl...

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  17. Show that the lines (x - 1)/3 = (y + 1)/2= (z - 1)/5 and (x + 2) / 4 =...

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  18. If A and B are two events such that P(A) = P(B) = 1, then show that, P...

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  19. Eight coins are thrown simultaneously. Show that the probability of ge...

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  20. If tan^(-1) [(yz)/(xr)] + tan^(-1) [(zx)/(yr)]+ tan^(-1) [(xy)/(zr)] =...

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