Show that vector a = (vector i - vector j)/√2 is a unit vector.
Answers
Answered by
49
Explanation ⇒ To prove that,
is an unit vector. means its magnitude is 1.
Okay. For magnitude, first separate x term and y terms.
Thus, i/√2 - j/√2 = t (let)
∴ |t|² = (1/√2)² + (-1/√2)²
∴ |t|² = 1/2 + 1/2
∴ |t|² = 1
∴ |t| = 1 [Mod cannot be -ive.]
Hence Proved that given expression is the unit vector having magnitude 1.
Hope it helps.
Answered by
2
Attachments:
Similar questions
Computer Science,
5 months ago
English,
10 months ago