If a=I+2j+3k and b=2i+4j-5k represent two adjacent sides of a parallelogram|Vector algebra|12|CBSE

[@blinger4080]

Areee sir ye toh koi bata dega concept batao ki Diagonals of a parallelogram is a + b and a - b kyu hoga

[@Foodielover43839]

But sir pta kaise chlega ki kon sa question mai ya a+b or a-b lgega

[@ragavan6581]

Thank you

[@Aarnarajput_NITP]

thanks