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  • Please Solve R.D.Sharma class 12 Chapter 22 Algbra of Vectors Exercise Very Short Answer Question 4 Maths textbook Solution.

Please Solve R.D.Sharma class 12 Chapter 22 Algbra of Vectors  Exercise Very Short Answer Question 4 Maths textbook Solution.

Answers (1)

Hint: You must know the rules of vector functions.

Given: Write \overrightarrow{P Q}+\overrightarrow{R P}+\overrightarrow{Q R} in simplest form

Solution: We have,

              \begin{array}{ll} \overrightarrow{P Q}+\overrightarrow{R P}+\overline{Q R} \\ \end{array}

              \begin{array}{ll} \Rightarrow \overline{P Q}+\overline{Q R}+\overline{R P} \end{array}                                    \begin{array}{ll} \quad & {[\overline{P R}=\overline{P Q}+\overline{Q R}]} \\ \end{array}

              \begin{array}{ll} \Rightarrow \overline{P R}+\overline{R P} \end{array}                                                 \begin{array}{ll} \quad & {[\overline{P R}=-\overline{R P}]} \end{array} because of change in direction

           

Hence     \Rightarrow \bar{0}

                              

                                       
 

Posted by

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