Question

Let a = 4i + 5j - k, b = i - 4j + 5k and c = 3i + j - k. Find the vector which is perpendicular to both a and b and whose magnitude is 21 times the magnitude of c.

Answer 1

Answer: The question is solved by the method of Cross Product of Vectors.

Explanation:

The resultant vector of the Cross Product of two vectors is always Perpendicular to the plane containing the vectors.

So it also Perpendicular to those vectors.

I have solved this question in detail.

Kindly see the Attachment for detailed Answer.

I hope it will help you.

Answer 2

Answer:

sorry i dont know answer