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otez555 [7]
3 years ago
10

Help me please with this question

Mathematics
1 answer:
lukranit [14]3 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

2B + 3C

= 2 \left[\begin{array}{ccc}4&-5\\-2&1\\\end{array}\right] + 3 \left[\begin{array}{ccc}1&-1\\-6&3\\\end{array}\right]

Multiply each element in the matrices by the scalar quantity, that is

= \left[\begin{array}{ccc}8&-10\\-4&2\\\end{array}\right] + \left[\begin{array}{ccc}3&-3\\-18&9\\\end{array}\right]

Add corresponding elements from each matrix

= \left[\begin{array}{ccc}8+3&-10-3\\-4-18&2+9\\\end{array}\right]

= \left[\begin{array}{ccc}11&-13\\-22&11\\\end{array}\right]

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