Mathematics

Problem

Write without fractions: a. a

\frac{1}{x^2}

b. b

\frac{2}{x}

c. c

x + \frac{1}{x}

d. d

x^2 - \frac{2}{x^3}

e. e

\frac{1}{x} + \frac{3}{x^2}

f. f

\frac{4}{x} - \frac{5}{x^3}

g. g

7x - \frac{4}{x} + \frac{5}{x^2}

h. h

\frac{3}{x} - \frac{2}{x^2} + \frac{5}{x^4}