What is join (2pi)/3-pi ?

The solution to join (2pi)/3-pi is -pi/3

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join (2pi)/3-pi

join

\frac{2 π}{3} - π

- \frac{π}{3}

Decimal Notation

- 1.04719 \dots

Solution steps

\frac{2 π}{3} - π

Convert element to fraction:

π = \frac{π 3}{3}

= \frac{2 π}{3} - \frac{π 3}{3}

Since the denominators are equal, combine the fractions:

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

= \frac{2 π - π 3}{3}

Add similar elements:

2 π - 3 π = - π

= \frac{- π}{3}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{π}{3}

- x - 3 = 0

3 t^{2} - 12 t - 15 = 0

y^{4} + x^{2} y^{2}

(- 2 x)^{4}

3 x^{2} + 13 x + 14