Two Vectors a and B Are Given $\mathbf { a } = 3 \mathbf { j } - 5 \mathbf { k } , \mathbf { b } = \mathbf { i } + 2 \mathbf { k }$

Essay

Two vectors a and b are given. (a) Find a vector perpendicular to both a and
b
b)Find a unit vector perpendicular to both a and
b. $\mathbf { a } = 3 \mathbf { j } - 5 \mathbf { k } , \mathbf { b } = \mathbf { i } + 2 \mathbf { k }$