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What is the matrix product [(a),(2a),(3a...

What is the matrix product `[(a),(2a),(3a)][(1 ,0, -1)]`?

A

`[(a,0,-a),(2a,0,-2a),(3a,0,-3a)]`

B

`[(a,2a,3a),(0,0,0),(-a,-2a,-3a)]`

C

`[(2a, 0, -2a)]`

D

`[(6a, 0, -6a)]`

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The correct Answer is:
A
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ENGLISH SAT-PRACTICE TEST 2 - MATHEMATICS TEST-EXERCISE
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