MCQ
The vector $\frac{1}{3}\,(2i - 2j + k)$ is
- AA unit vector
- BPerpendicular to the vector $3i + 2j - 2k$
- CParallel to the vector $ - i + j - \frac{1}{2}k$
- ✓All of these
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$f(x) = \sqrt {\left| {{{\sin }^{ - 1}}\left| {\sin x} \right|} \right| - {{\cos }^{ - 1}}\left| {\cos x} \right|} $ is
Statement $-1 :$ The probability that the chosen numbers when arranged in some order will form an $A.P.$ is $\frac{1}{{85}}$ .
Statement $-2 :$ If the four chosen numbers form an $A.P.$, then the set of all possible values of common difference is $\left( { \pm 1, \pm 2, \pm 3, \pm 4, \pm 5} \right)$ છે.