Question

Choose correct alternatives :

If the planes `bar"r".(2hat"i" - lambdahat"j" + hat"k") = 3 and bar"r".(4hat"i" - hat"j" + muhat"k") = 5` are parallel, then the values of λ and μ are respectively

Options

• `(1)/(2), -2`

• `-(1)/(2), 2`

• `-(1)/(2), -2`

• `(1)/(2), 2`

Answer 1

`(1)/(2),2`