Question

calcule o produto das seguintes matrizes:
a) [9 7] [1 2 3 ]
[0 8] [4 5 6]

b)(5 -3) (3)
(-1 4) (-2)

c)(5 2) (2 -1)
(-1 4) (0 3)​

Answer 1

Resposta:

$\left(97\right)\left(123\right)\left(8\right)\left(456\right)\\\\97\cdot \:123\cdot \:8\cdot \:456\\\\43524288$

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$\left(5-3\right)\left(3\right)\left(-14\right)\left(-2\right)\\\\2\left(3\right)\left(-14\right)\left(-2\right)\\\\168$

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$\left(52\right)\left(2-1\right)\left(-14\right)\left(3\right)\\\\\left(52\right)\cdot \:1\cdot \left(-14\right)\left(3\right)\\\\-2184$