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11 th grade algebra question 1

11 th grade algebra question 1-example-1

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\huge \bf༆ Answer ༄

Here's the solution ~


{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:a_(11) × a_(22) - a_(21) × a_(12)


{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:(2 * 4) - ( - 1 * - 3)


{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:8 - 3


{ \qquad{ \sf{ \dashrightarrow}}}  \:  \: \sf \:5

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