Question

Find out whether the given expression is polynomial or not. If not given reason.

•
$(a) \: \sqrt{ {5x}^{3} } \: + 4x \: + \frac{1}{4x}$
$(b) \: 6 {x}^{5} + \sqrt{ {x}^{2} } -2$
plz answer quickly ​

Answer 1

Explanation:

1. First expression is not a polynomial as in a polynomial the degree can never be either. fraction or negative.
2. Second one is a polynomial.

Thank you .

Answer 2

Answer:

(A) IS NOT A POLYNOMIAL

(B) IS A POLYNOMIAL

Explanation:

SINCE A POLYNOMIAL CANT HAVE THE VARIABLE IN ROOT HENCE (a) IS WRONG

AND ALSO IN (b) $x^{2}$IS IN ROOT HENCE IT WILL BECOME x AND IT WILL BE A POLYNOMIAL

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