Statement 1: If `| vec a+ vec b|=| vec a- vec b|,t h e n vec aa n d vec b`are perpendicularto each other.Statement 2: If thediagonal of a parallelogram are equal magnitude, then the parallelogram is arectangle.A. Statement-II and statement II ar correct and Statement III is the correct explanation of statement IB. Both statement I and statement II are correct but statement II is not the correct explanation of statement IC. Statement I is correct but statement II is incorrectD. Statement II is correct but statement I is incorrect

Statement 1: If `| vec a+ vec b|=| vec a- vec b|,t h e n vec aa n d ve

1.	Statement 1: If `\| vec a+ vec b\|=\| vec a- vec b\|,t h e n vec aa n d vec b`are perpendicularto each other.Statement 2: If thediagonal of a parallelogram are equal magnitude, then the parallelogram is arectangle.A. Statement-II and statement II ar correct and Statement III is the correct explanation of statement IB. Both statement I and statement II are correct but statement II is not the correct explanation of statement IC. Statement I is correct but statement II is incorrectD. Statement II is correct but statement I is incorrect
Answer» Correct Answer - A a+b=a-b are diagonals of a parallelogram whose sides are a and b. `\|a+b\|=\|a-b\|` Thus, diagonals of the parallelogram have the same length. So, the parallelogram is rectangle, i.e., `a bot b`.

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