Let veca =hatj-hatk and vecc =hati-hatj-...

Let `veca =hatj-hatk` and `vecc =hati-hatj-hatk`. Then the vector `b` satisfying `veca xvecb+vecc =0` and `veca.vecb = 3,` is

A

`-hat(i)+hat(j)-2hat(k)`

B

`2hat(i)-hat(j)+2hat(k)`

C

`hat(i)-hat(j)-2hat(k)`

D

`hat(i)+hat(j)-2hat(k)`

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The correct Answer is:

D

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