Find the expression.u = -3i - 5j, v = 7i + 7j; Find u + v.

A. -10i + 3j 
B. 4i + 2j
C. 3i + 2j 
D. 10i + 2j


Answer: B

Mathematics

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Write the linear system corresponding to the reduced augmented matrix.

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Expand the expression using the Binomial Theorem.(2x - 1)4

A. (4x2 - 2x + 1)4 B. 16x4 - 32x3 + 24x2 - 8x + 1 C. 16x3 - 32x2 + 24x - 8 D. -16x4 + 32 x3 + 24x2 + 8x + 1

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