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  • Please Solve RD Sharma Class 12 Chapter 23 Scalar or Dot Product Exercise Very Short Answer Question 2 Maths Textbook Solution.

Please Solve RD Sharma Class 12 Chapter 23 Scalar or Dot Product Exercise Very Short Answer Question 2 Maths Textbook Solution.

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ANSWER: \frac{3}{2}

GIVEN:  \vec{a} \cdot \vec{b}=6 \quad|\vec{a}|=3 \&|\vec{b}|=4

HINTS:Use the formula of projection of  \vec{a} \text { on } \vec{b}

SOLUTION:

  \\\text{Projection of } \vec{a} \; on\; \vec{b}=\frac{{\vec{a} \cdot \vec{b}}}{{|\vec{b}|}}  

                                   =\frac{6}{4}=\frac{3}{2}

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