Question

Select the correct option from the given alternatives:

If `|bar"a"| = 3, |bar"b"| = 4,` then the value of λ for which `bar"a" + lambdabar"b"`, is perpendicular to `bar"a" - lambdabar"b"`, is

Options

• `9/16`

• `3/4`

• `3/2`

• `4/3`

Answer 1

`3/4`