Simplificación general
[src]
_____
/ 7
-\/ -a
----------
7
-1 + a
$$- \frac{\sqrt{- a^{7}}}{a^{7} - 1}$$
Abrimos la expresión
[src]
____
/ 7
I*\/ a
---------
7
- a + 1
$$\frac{i \sqrt{a^{7}}}{1 - a^{7}}$$
_____
/ 7
-\/ -a
----------
7
-1 + a
$$- \frac{\sqrt{- a^{7}}}{a^{7} - 1}$$
_____
/ 7
-\/ -a
-----------------------------------------
/ 2 3 4 5 6\
(-1 + a)*\1 + a + a + a + a + a + a /
$$- \frac{\sqrt{- a^{7}}}{\left(a - 1\right) \left(a^{6} + a^{5} + a^{4} + a^{3} + a^{2} + a + 1\right)}$$
-sqrt(-a^7)/((-1 + a)*(1 + a + a^2 + a^3 + a^4 + a^5 + a^6))