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If vector hat(i) - 3hat(j) + 5hat(k) and...

If vector `hat(i) - 3hat(j) + 5hat(k)` and `hat(i) - 3 hat(j) - a hat(k)` are equal vectors, then the value of a is :

A

5

B

2

C

`-3`

D

`-5`

Text Solution

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The correct Answer is:
D
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