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  • Please solve RD Sharma class 12 chapter 22 Algebra of Vectors exercise Multiple choice question 21 maths textbook solution

Please solve RD Sharma class 12 chapter 22 Algebra of Vectors exercise Multiple choice question 21 maths textbook solution

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Answer: \hat{i}-\hat{j}+2 \hat{k}

Hint: Initial vector find

Given: The vector with initial point P(2,-3,5) terminal point Q(3,-4,7)is

Solution: Require vector   \begin{aligned} \overrightarrow{A B}=&(3-2) \hat{i}+(-4+3) \hat{j}+(7-5) \hat{k} \\\\ \end{aligned}

                                               =\hat{i}-\hat{j}+2 \hat{k}

                                                    

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