What is join pi/2-2 ?

The solution to join pi/2-2 is (pi-4)/2

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join pi/2-2

join

\frac{π}{2} - 2

\frac{π - 4}{2}

Decimal Notation

- 0.42920 \dots

Solution steps

\frac{π}{2} - 2

Convert element to fraction:

2 = \frac{2 \cdot 2}{2}

= \frac{π}{2} - \frac{2 \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 \cdot 2}{2}

Multiply the numbers:

2 \cdot 2 = 4

= \frac{π - 4}{2}

x^{2} \geq - 2 x + 15

y^{3} - 3 y

(5 + 2 i) \cdot (- 5 - i)

m^{2} + 2 m + m = 0

(5^{2})^{- 8}