MCQ
The summation of two unit vectors is a third unit vector, then the modulus of the difference of the unit vector is:
- ✓$\sqrt{3}$
- B$1-\sqrt{3}$
- C$1+\sqrt{3}$
- D$-\sqrt{3}$
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where $\mathop {\lim }\limits_{x \to \infty } g(x)$ exists and equal to $5$, then $\mathop {\lim }\limits_{x \to \infty } (f(x) - g(x))$ equal to