What is join pi/2+2pin ?

The solution to join pi/2+2pin is (pi+4pin)/2

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join pi/2+2pin

join

\frac{π}{2} + 2 πn

\frac{π + 4 πn}{2}

Solution steps

\frac{π}{2} + 2 πn

Convert element to fraction:

2 πn = \frac{2 πn 2}{2}

= \frac{π}{2} + \frac{2 πn \cdot 2}{2}

Since the denominators are equal, combine the fractions:

\frac{a}{c} \pm \frac{b}{c} = \frac{a \pm b}{c}

= \frac{π + 2 πn \cdot 2}{2}

Multiply the numbers:

2 \cdot 2 = 4

= \frac{π + 4 πn}{2}

\frac{2 x + 1}{12 x + 8} - \frac{x ^{2}}{6 x ^{2} + x - 2} + \frac{2 x}{16 x - 8}

(2) (2)

x - 2 + \frac{1}{x}

- 18 x - 21 x^{2}