1.

The modulus of the vector product of two vectors is (1)/(sqrt(30)) times their scalar product. The angle between vectors is

Answer»

`(pi)/(6)`
`(pi)/(2)`
`(pi)/(4)`
`(pi)/(3)`

Solution :(a) `ABsintheta=(1)/(SQRT(3))ABcostheta`
`:.tantheta=(1)/(sqrt(3))ortheta=30^(@)=(pi)/(6)`


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