Question

*PLS HELP*
(The question is in the attachment)
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Answer 1

$x^{2} \\ x^{2} \neq \pi \alpha \beta \left \{ {{y=2} \atop {x=2}} \right. \frac{x}{y} \int\limits^a_b {x} \, dx x_{123} \lim_{n \to \infty} a_n \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] \int\limits^a_b {x} \, dx$