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I really want to see x^3 to represent x to the power of 3 and x3 to represent the third element of the sequence (xn). Because in Calculus, we use x3, a5, etc. all the time.

Anyway

3x^3 + x + 1 is a degree 3 (highest degree in the poly.) polynomial.

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14y ago

What else can I help you with?