Question
The following expression are polynomials in one variable and which are not? State the reasons for your answer. $\text{x}-\frac{4}{\text{x}}$
✓
Answer
$\text{x}-\frac{4}{\text{x}}$ it is not a polynomial since the exponent of $-\frac{4}{\text{x}}$ is not a positive term.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Simplify : $\left(3^{\frac{1}{5}}\right)^{4}$
→Write:
The coefficient of $x^3$ in $x+3 x^2-5 x^3+x^4$.
→The coefficient of $x^3$ in $x+3 x^2-5 x^3+x^4$.
$E$ and $F$ are respectively the mid-points of equal sides $AB$ and $AC$ of $\triangle ABC $(see Fig.$)$. Show that $BF = CE$
→Check whether $–2$ and $2$ are zeroes of the polynomial $x + 2$
→Classify the following polynomials as linear, quadratic, cubic and biquadratic polynomials: $3y$
→Write the supplement of the following angles:$ 132^\circ $
→Write: The cofficient of $x^2$ in $2 x-3+x^3$.
→Determine the degree of the following polynomials.
$y^2\left(y-y^3\right)$
→$y^2\left(y-y^3\right)$
Write the coefficient of ${x^2}$ in $\frac{\pi }{2}{x^2} + x$
→Examine, whether the following numbers are rational or irrational: $\sqrt{5}-2$
→