MCQ
The coefficients of the expansions are arranged in an array. This array is called ………
- ✓Pascal’s Triangle
- BBinomial Triangle
- CFibonacci Triangle
- DPingla Triangle
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$S _{1}=\{ z \in C :| z -1| \leq \sqrt{2}\}$ ; $S _{2}=\{ z \in C : \operatorname{Re}((1- i ) z ) \geq 1\}$ ; $S _{3}=\{ z \in C : \operatorname{Im}( z ) \leq 1\}$ Then the set $S _{1} \cap S _{2} \cap S _{3}$