Question

vector = + jand = − j.Find the value of (+ )x(−)

Answer 1

Explanation:

Answer

Open in answr app

Let the given vector be a=x(i^+j^+k^)

then a=xi^+xj^+xk^

a=x2+x2+x2=3x

Therefore a will be unit vector if ∣a∣=1

∣a=1∣

⇒3x=1

⇒x=31