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If a hat(i) + 6hat(j) - hat(k) and 7hat(...

If `a hat(i) + 6hat(j) - hat(k) and 7hat(i) -3hat(j) + 17hat(k)` are perpendicular vectors, then the value of a= ….

A

`1//7`

B

5

C

`-5`

D

7

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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2001-Mathematics
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  2. The equation 12x^(2) + 7xy + alpha y^(2) + 13x -y + 3=0 represents a p...

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  3. The length of transverse axis of the hyperbola 3x^(2) - 4y^(2) = 32 is

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  4. The angle between the curves y^(2) =x and x^(2) = y at (1,1) is

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  5. In a group G a,b,c,d in G, Then (abc)^(-1) is

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  6. If A and B are square matrices of the same order, then show that (AB)^...

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  7. The value of |(41,42,43),(44,45,46),(47,48,49)| is

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  8. If a hat(i) + 6hat(j) - hat(k) and 7hat(i) -3hat(j) + 17hat(k) are per...

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  9. The circle x^(2) + y^(2) -3x-4y + 2=0 cuts the x axis at the points

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  10. A line makes zero intersects on x axis and y axis and it is prependicu...

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  11. If ""^(n)P(4) = 24^(n)C(5) then the value of n=

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  12. In the expansion of (x-(3)/(x^(2)))^(9), the term independent of x is

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  13. The sixth term of a H.P is 1/61 and the 10^(th) term is 1/105.then the...

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  14. The value of underset(x rarr 0)(lim) ((e^(x)-1)/(x)) is

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  15. The remainder in the division of 2^(50) by 7is

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  16. a,g,h are arithmetic mean, geometric mean and harmonic mean between tw...

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  17. The value of (tan^(-1) ((1)/(2)) + tan^(-1) ((1)/(3)))=

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  18. The length of altitude through A of the triangle ABC where A-= (-3,0),...

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  19. In a railway compartment there are 6 seats. The number of ways in whic...

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  20. (d)/(dx) [tan^(-1) ((a-x)/(1+ ax))] is

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