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If |vec a| = 4 and -3 le lambda le 2 the...

If `|vec a| = 4` and `-3 le lambda le 2` then the range of `|lambda vec a|`

A

[0,8]

B

[-12, 8]

C

`[0, 12]`

D

`[8, 12]`

Text Solution

Verified by Experts

The correct Answer is:
C
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NEW JOYTHI PUBLICATION-VECTOR ALGEBRA-OBJECTIVE TYPE QUESTIONS
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  2. If the points A and B are (1, 2, -1) and (2, 1, -1) respectively then ...

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  3. If |vec a| = 4 and -3 le lambda le 2 then the range of |lambda vec a|

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  4. If vec a and vec b are two unit vectors and theta is the angle between...

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  5. If the vectors 3 hat i + lambda hat j + hat k and 2 hat i - hat j + 8 ...

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  6. Let veca and vec b be two unit vectors such that angle between them i...

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  7. The two variable vectors 3x hat i + y hat j - 3 hat k and x hat i - 4 ...

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  8. Consider the vectors veca = hat i + 3 hat j + hat k and vec b = 2 hat ...

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  9. If |vec a| = 3, | vec b| = 4, then the value of lambda for which vec ...

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  10. If vec a and vec b are two non -zero vectors, then (vec a + vec b) .(v...

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  11. vec a .(vec b + vec c) is equal to

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  12. If vec a = hat i + 2 hat j - 3 hat k and vec b = 3 hat i - hat j + 2 h...

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  13. If vec a and vec b are non - zero vectors and |vec a+ vec b| = |vec a ...

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  14. The projection of the vector hat i + hat j + hat k along the vector ha...

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  15. A unit vector perpendicular to the vectors veca = 2 hat i - 6 hat j - ...

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  16. The number of vectors of unit length perpendicular to the vectors vec ...

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  17. If vec a, vec b, vec c are any three mutually perpendicular vectors of...

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  18. The volume (in cubic units) of the parallelopiped whose edges are repr...

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  19. The projection vector of veca on vecb is

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  20. If vec a xx vec b and vec a. vecb = 0 then

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