1.(iii)   Is the following expression polynomial in one variable? State reasons for your answer.

    (iii)    3\sqrt t + t\sqrt2

Answers (2)

NO
Because we can observe that the exponent of variable t in term 3\sqrt t is  \frac{1}{2}  which is not a whole number.
Therefore this expression is not a polynomial.

This expression is not in one variable because root t exponent is ½ and ½ is is not a whole number.

 

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