Question

is x²+1/x+7 a polynomial ?give reason?​

Answer 1

Hi frnd

X -1/ x = 1 - 1/x = 1 - x^-1

Here in this expression power of x is not a whole number. Therefore given expression is not a polynomial.

If power of every variable in an expression is a whole number, then the expression is a polynomial.

For more details visit my channel “Rkm Educare” and watch this video “ Polynomials introduction with simple definition“.

Hope it's helpful for you.

All the best.

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Answer 2

No it is not a Polynomial because x cannot be at the denominator. It can only be at the numerator