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Consider the two matrices P and Q which are 10 x 20 and 20 x 30 matrices respectively. What is the number of multiplications required to multiply the two matrices?

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Consider the two matrices P and Q which are 10 x 20 and 20 x 30 matrices respectively. What is the number of multiplications required to multiply the two matrices?

(a) 10*20

(b) 20*30

(c) 10*30

(d) 10*20*30

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Enquiry is from Matrix-chain Multiplication in portion Dynamic Programming of Data Structures & Algorithms II

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Right answer is (d) 10*20*30

The best explanation: The number of multiplications required is 10*20*30.

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