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A : Length of projection of 2i - 3j + k ...

A : Length of projection of 2i - 3j + k along 4i - 4j + 7k is 3
R : Length of projection of b on a is `(a.b)/(|b|)`

A

both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is not correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

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The correct Answer is:
A
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