[12 2 2 5 -1 -1 Question 7. Let A 2 1 -1 and B = 3 1 1 1-5 3 AB is both symmetric and skew-symmetric. Show that AB

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A: Given the graph of f(x)  by using this we need to find the value of f(7).

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Q: able

A: Other expert has solved part b. Here We include part a answer.

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A: The two way table provided in the question is as follows  :-Completed HWDid not complete…

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A: (a) when y = 0,           dy/dx = 0

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Q: 7 y = 3x +- +3 10. 11. 2 - 3

A: Derivative of function