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Example: If (x+1/x) = 6 find x2+1/x2. Solution: Given that (x+1/x) = 6 . Take square on both sides. (x+1/x)2 = 62 x2 + 2.x.1/x + (1/x)2 = 36 x2 + (1/x)2 = 36-2 x2 + (1/x)2 = 34 Directions: Solve the following problems. Also write at least ten examples of your own. |