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Find the projection of the vector \[\widehat{i}+3\widehat{j}+7\widehat{k}\] on the vector \[7\widehat{i}-\widehat{j}+8\widehat{k}\].
Find the projection of the vector \[\widehat{i}+3\widehat{j}+7\widehat{k}\] on the vector \[7\widehat{i}-\widehat{j}+8\widehat{k}\].
CBSE | Class 12 | Exercise 10.3 | Maths | NCERT | Vector Algebra
Find the projection of the vector \[\widehat{i}+3\widehat{j}+7\widehat{k}\] on the vector \[7\widehat{i}-\widehat{j}+8\widehat{k}\].

Firstly,

Hence, the projection is \[60/\sqrt{114}\].

i

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