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[" Q8.If "vec a=2hat imath+2hat jmath-ha...

[" Q8.If "vec a=2hat imath+2hat jmath-hat k,vec b=hat imath+2hat jmath-2hat k,quad vec c=2hat imath-hat jmath+4hat k" then find the "],[" projection of "vec b+vec c" on "vec a]

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