MCQ
If $A, B$ and $C$ are any three sets, then $A \times (B \cup C)$ is equal to
- ✓$(A × B) \cup (A × C)$
- B$(A \cup B) × (A \cup C)$
- C$(A × B) \cap (A × C)$
- DNone of these
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Statement $-2$ : $\mathop \sum \limits_{k = 1}^n \left( {{k^3} - {{\left( {k - 1} \right)}^3}} \right) = {n^3},$ for any natural number $n$
$(1)$ eccentricity of $E$ be reciprocal of the eccentricity of $H$, and
$(2)$ the line $y=\sqrt{\frac{5}{2}} x+K$ be a common tangent of $E$ and $H$ Then $4\left(a^{2}+b^{2}\right)$ is equal to