Which of the following is a binary operation on the set of positive real numbers? a. a*b = √a + √a+ 1 b. a*b = a-b c. a*b=a²-b² d. a*b=a³ + ab O a

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Q: If A=(4,3,0), B=(2,3,4) and C= (5,6,2) find the dot product and find the angle between the vectors .

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Q: Expand the first four non zero terms of f(2)= ze in Taylor's series about z = 1.

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