4. A = -1 4 4 - find a + hat matrix 20-2-3 matrix P such P-¹ AP is a diagonal

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Q: Use geometric series formula to calculate: 10+50+250+...+10*5^m, where m(greater than or equal to)0

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A: To solve part(d) , we need part(a),(b),(c) , that's why I am solving first four parts.

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Q: 15 If square OABC is rotated 18 about its center, what will th dinates of O be?

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