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If vecalpha= 2hati+3 hat j-6 hatk and ve...

If `vecalpha= 2hati+3 hat j-6 hatk` and `vec beta= phat i-hatj+2 hatk` are two parallel vectors, then the value of p is

A

`-1/3`

B

`2/3`

C

`-2/3`

D

`-3/2`

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UNITED BOOK HOUSE-SET 17-EXERCISE
  1. The S.D. of a binomial distribution with parameteres n and p is

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  2. The angle between the lines whose direction ratios are proportional to...

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  3. If vecalpha= 2hati+3 hat j-6 hatk and vec beta= phat i-hatj+2 hatk are...

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  4. Which of the following solution of the differential equation dx - dy +...

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  5. Three events A,B and C are mutually exclusive and exhaustive , if P(A)...

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  6. If for a random variable x, the variance of x is 1.84 and the expectat...

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  7. Find the value of sin cot^-1 cos (tan^-1(2))

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  8. A binary operation * is defined on the set of real numbers R by a*b =...

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  9. Solve for a,b,c and d when ((b+c, c+a), (7 - d ,6 -c)) = ((9-d, 8-d),(...

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  10. Evaluate : |[0, (a-b)^3, (b-c)^3], [(b-a)^3, 0, (c-a)^3],[(c- b)^3, (a...

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  11. Examine whether the following function is continuous at x = 0 . phi(...

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  12. Find the differential co-efficient of logx10 with respect to tan^-1x.

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  13. Evaluate: int((cosx+xsinx)/(x(x+cosx)))dx.

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  14. Find if Lagrange's Mean Value Theorem is applicable to the function f...

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  15. Eleminating a and b, find the differential equation of all ellipse of ...

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  16. Evaluate : underset(x rarr 0) Lt (1+3x)^((x+2)/x)

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  17. If vec a, vec b, vec c are unit vectors satisfying the condition veca+...

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  18. Find the value of lambda so that the plane vecr. (veci + 2vecj + 3veck...

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  19. If P(A)=1/4,P(B)=1/3 and P(A-B)=1/6 then verify whether a and B are tw...

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  20. An unbiased coin is tossed 6 times. Find the probability of at least f...

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