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  • Please solve RD Sharma class 12 chapter 23 Scaler and Dot Product exercise Multiple choice question 9 maths textbook solution

Please solve RD Sharma class 12 chapter 23 Scaler and Dot Product exercise Multiple choice question 9 maths textbook solution

Answers (1)

Answer:

Option (b)   =\frac{\vec{a} \times(\vec{b} \times \vec{a})}{|\vec{a}|^{2}} 

Hint:

You must know the formula of \vec{b} perpendicular to \vec{a}

Given:

Vector component of \vec{b} perpendicular to \vec{a}=?

Solution:

Vector \vec{b} is perpendicular to \vec{a}

=\frac{\vec{a} \times(\vec{b} \times \vec{a})}{|\vec{a}|^{2}}

Hence, option (b) is correct

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