Let (m × n) denote a matrix of size m × n. Find the size of the following product, or state that the product is not defined.(4 × 1)(4 × 1)
A. 1 × 4
B. 4 × 4
C. 4 × 1
D. not defined
Answer: D
Mathematics
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A. True B. False
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h(b1 + b2) for b1
A. b1 = 
B. b1 = 
C. b1 = 
D. b1 = 
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A. -8
B. 
C. 20
D. 26
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