MCQ
What is direction of vector $\vec{\text{a}}$ if it is multiplied with $-\lambda$:
- ADownwards
- BUpwards
- CSame
- ✓Opposite
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$( S 1) P \left( A ^{\prime} \cup B \right)=\frac{5}{6}$
$( S 2) P \left( A ^{\prime} \cap B ^{\prime}\right)=\frac{1}{18}$. Then.