Question

Consider two vectors $\vec{F_{1}} = 2\hat{i} + 5\hat{k}\ and\ \vec{F_{2}} = 3\hat{j} + 4\hat{k}$. The magnitude of the scalar product of these vectors is(a) 20 (b) 23(c) 5√33 (d) 26

Answer 1

ur answer is

option no b

Answer 2

The right answer is option b.