a,b are the magnitudes of vectors veca & vecb . If vecaxxvecb=0 the value of veca.vecb is

a,b are the magnitudes of vectors veca & vecb . If vecaxxvecb=0 the va

1.	a,b are the magnitudes of vectors veca & vecb . If vecaxxvecb=0 the value of veca.vecb is
Answer» `0` `SQRT(AB)` `ab` `a//b` ANSWER :C