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The angles between the two vectors vecA=...

The angles between the two vectors `vecA=3hati+4hatj+5hatk` and `vecB=3hati+4hatj-5hatk` will be

A

`90^(@)`

B

`180^(@)`

C

Zero

D

`45^(@)`

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The correct Answer is:
A
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AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - C)
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