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प्रश्न
Evaluate if possible `[(1, -2)][(-2, 3),(-1, 4)]`
उत्तर
`[1 -2][(-2, 3),(-1, 4)]`
= `[(1 xx (-2) + (-2) xx (-1), 1 xx 3 - 2 xx 4)]`
= `[(0 , –5)]`
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