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Find the projection of the vector vec a...

Find the projection of the vector ` vec a=2 hat i+3 hat j+2 hat k` on the vector ` vec b=2 hat i+2 hat j+ hat k` .

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Knowledge Check

  • The projection of the vector vec( a) = 2 hat(i) - hat(j) +hat(k) along the vector vec(b) = hat(i) + 2 hat(j)+ 2hat(k) is

    A
    2
    B
    `sqrt(6)`
    C
    `(2)/(3)`
    D
    `(1)/(3)`
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