Exponent
 Usage
• Exponent[expr, form] gives the maximum power with which form appears in the expanded form of expr.
• Exponent[expr, form, h] applies h to the set of exponents with which form appears in expr.
Notes
• Example: Exponent[x^2 + a x^3, x]  . • The default taken for h is Max. • Example: Exponent[x^2 + a x^3, x, List] . • form can be a product of terms. • Exponent works whether or not expr is explicitly given in expanded form. • Exponent[0, x] is -Infinity. • New in Version 1; modified in 3.
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