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If vecu=veca-vecb,vecv=veca+vecb and |ve...

If `vecu=veca-vecb,vecv=veca+vecb and |veca|=|vecb|=2,` then `|vecuxxvecv|` is equal to

A

`2(k^(2)-(a.b)^(2))`

B

`2(k^(4)-(a.b)^(2))^(1//2)`

C

`(k^(4)+(a.b)^(2))^(1//2)`

D

`(k^(4)+(a.b)^(2))^(1//2)`

Text Solution

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-VECTOR ALGEBRA-EXERCISE (Level-2 Single Correct Answer Type Questions)
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