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Which is equal to the product of HJ?
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Which is equal to the product of HJ?
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Dec 11, 2017
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Which is equal to the product of HJ?
Mathematics
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Jon Martin
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H = 1st row 4 -2 5
2nd row 6 1 -3
J = 1st column 7 3 8
1st row and 1st column: 4*7 + -2*3 + 5*8 = 28 - 6 + 40 = 62
2nd row and 1st column: 6*7 + 1*3 + -3*8 = 42 + 3 - 24 = 21
Answer is 2nd option. 62 and 21.
Amia
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Dec 16, 2017
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