SOLUTION: Is this a polynomial? a^2*b+a^3*b^2+a^4*b^3 and if it is then what is the degree?

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Question 855098: Is this a polynomial? a^2*b+a^3*b^2+a^4*b^3 and if it is then what is the degree?
Answer by harpazo(655) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, it is a polynomial because it has more than one term. It a 4th degree polynomial because the greatest exponent that it has is 4.