Question

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A) 101 IC SUIT U
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9. What should be added to (3x3 – 2x² + 3x - 1) to get (x3 + 2x² - 6x + 5)?
10. What must be subtracted from 2x2 + 2xy + 2y? to get 3x2 – 2xy - ?y?​

Answer 1

Answer:

A cylinder of mass m and radius r is rolling on horizontal surface. Work done by force of friction, if centre is displaced by x, is