Which of the following expressions is a polynomial in one variable? (a) x+2x+3 (b) 3√x+2√x+5 (c) √2x2−√3x+6 (d) x10+y5+8

Which of the following expressions is a polynomial in one variable? (

1.	Which of the following expressions is a polynomial in one variable? (a) x+2x+3 (b) 3√x+2√x+5 (c) √2x2−√3x+6 (d) x10+y5+8
Answer» Which of the following expressions is a polynomial in one variable? (a) $x + \frac{2}{x} + 3$ (b) $3 \sqrt{x} + \frac{2}{\sqrt{x}} + 5$ (c) $\sqrt{2} x^{2} - \sqrt{3} x + 6$ (d) $x^{10} + y^{5} + 8$