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Question

If a=4^i+6^j and b=3j+4k then the vector form of component of a along b is

A
18103(3^j+4^k)
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B
1825(3^j+4^k)
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C
183(3^j+4^k)
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D
3^j+4^k
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Solution

The correct option is B 1825(3^j+4^k)
The component of a along b is given by
(a.b|b|2)b=1825(3^j+4^k)

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