Two adjacent sides of a parallelogram are 2 \stackrel{\^}{i}-4 \stackrel{\^}{j}+5 \stackrel{\^}{k} and i^{\^} -2 \stackrel{\^}{j}-3 \stackrel{\^}{k}. What is the magnitude of dot product of vectors which represent its diagonals? [NDA-I 2020]

UPSC NDA I and II 2020 Math Solved Paper

Question : 113 of 120

Marks: +1, -0

Two adjacent sides of a parallelogram are 2

−4

and

−2

−3

. What is the magnitude of dot product of vectors which represent its diagonals?

[NDA-I 2020]

Go to Question:

Prev Question

Next Question