Pls explain me how to get the answer

What is he degree of polynomial p(x)=ax⁴+bx³+cx²+dx+e

a/b=0&b≠0

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Solution

Degree of this polynomial is 3
Explanation :
The degree of polynomial is the highest degree of it's individual with non zero coefficients.
given a/b=0 and b not equal to 0
so a should be 0 to satisfy a/b=0
since a=0 which is coefficient of x4
degree of this polynomial is 3

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