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| 1. |
\left. \begin{array} { l } { \text { The coefficient of } x ^ { 2 } \text { in } ( x - 13 ) ( x + 11 ) ( x - 9 ) \text { is } } \\ { ( x ) - 11 } \end{array} \right. |
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Answer» a) is correct option thank you |
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