Consider ₂x² dx (a) Say you used 5 rectangles to approximate the area. What is the area of the third rectangle? (b) Say you used 60 rectangles to approximate the area. What is the area of the 11th rectangle? (c) Say you used 60 rectangles to approximate the area. What is the area of the kth rectangle? (d) Say you used N rectangles to approximate the area. What is the area rectangle? of the kth

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Q: 2] Let x,yER Prove that VxVy(10x+21y>21⇒(x>11/10 v y>10/21))

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