-1 + 2*t
--------
1 + 2*t
$$\frac{2 t - 1}{2 t + 1}$$
$$1 - \frac{2}{2 t + 1}$$
Подстановка условия
[src]
100*t^2/(100*t^2 - 1*25) - 100*t/((10*t - 1*5)*(10*t + 5)) + 25/(100*t^2 - 1*25) при t = 1/4
2
100*t 100*t 25
----------- - --------------------- + -----------
2 (10*t - 5)*(10*t + 5) 2
100*t - 25 100*t - 25
$$\frac{100 t^{2}}{100 t^{2} - 25} - \frac{100 t}{\left(10 t + 5\right) \left(10 t - 5\right)} + \frac{25}{100 t^{2} - 25}$$
-1 + 2*t
--------
1 + 2*t
$$\frac{2 t - 1}{2 t + 1}$$
$$t = \frac{1}{4}$$
-1 + 2*(1/4)
------------
1 + 2*(1/4)
$$\frac{2 (1/4) - 1}{2 (1/4) + 1}$$
$$- \frac{1}{3}$$
2
25 100*t 100*t
------------ + ------------ - ----------------------
2 2 (-5 + 10*t)*(5 + 10*t)
-25 + 100*t -25 + 100*t
$$\frac{100 t^{2}}{100 t^{2} - 25} - \frac{100 t}{\left(10 t - 5\right) \left(10 t + 5\right)} + \frac{25}{100 t^{2} - 25}$$
25/(-25 + 100*t^2) + 100*t^2/(-25 + 100*t^2) - 100*t/((-5 + 10*t)*(5 + 10*t))
25.0/(-25.0 + 100.0*t^2) + 100.0*t^2/(-25.0 + 100.0*t^2) - 100.0*t/((5.0 + 10.0*t)*(-5.0 + 10.0*t))
25.0/(-25.0 + 100.0*t^2) + 100.0*t^2/(-25.0 + 100.0*t^2) - 100.0*t/((5.0 + 10.0*t)*(-5.0 + 10.0*t))
Рациональный знаменатель
[src]
2
25 100*t 100*t
------------ - ------------ + ------------
2 2 2
-25 + 100*t -25 + 100*t -25 + 100*t
$$\frac{100 t^{2}}{100 t^{2} - 25} - \frac{100 t}{100 t^{2} - 25} + \frac{25}{100 t^{2} - 25}$$
/ 2\ / 2\
- 100*t*\-25 + 100*t / + (-5 + 10*t)*(5 + 10*t)*\25 + 100*t /
-------------------------------------------------------------
/ 2\
\-25 + 100*t /*(-5 + 10*t)*(5 + 10*t)
$$\frac{\left(10 t - 5\right) \left(10 t + 5\right) \left(100 t^{2} + 25\right) - 100 t \left(100 t^{2} - 25\right)}{\left(10 t - 5\right) \left(10 t + 5\right) \left(100 t^{2} - 25\right)}$$
(-100*t*(-25 + 100*t^2) + (-5 + 10*t)*(5 + 10*t)*(25 + 100*t^2))/((-25 + 100*t^2)*(-5 + 10*t)*(5 + 10*t))
$$1 - \frac{2}{2 t + 1}$$
2
25 100*t 100*t
------------ + ------------ - ----------------------
2 2 (-5 + 10*t)*(5 + 10*t)
-25 + 100*t -25 + 100*t
$$\frac{100 t^{2}}{100 t^{2} - 25} - \frac{100 t}{\left(10 t - 5\right) \left(10 t + 5\right)} + \frac{25}{100 t^{2} - 25}$$
25/(-25 + 100*t^2) + 100*t^2/(-25 + 100*t^2) - 100*t/((-5 + 10*t)*(5 + 10*t))
-1 + 2*t
--------
1 + 2*t
$$\frac{2 t - 1}{2 t + 1}$$
Объединение рациональных выражений
[src]
/ 2\ 2
(1 + 2*t)*(-1 + 2*t) - 4*t*\-1 + 4*t / + 4*t *(1 + 2*t)*(-1 + 2*t)
------------------------------------------------------------------
/ 2\
(1 + 2*t)*(-1 + 2*t)*\-1 + 4*t /
$$\frac{4 t^{2} \cdot \left(2 t - 1\right) \left(2 t + 1\right) - 4 t \left(4 t^{2} - 1\right) + \left(2 t - 1\right) \left(2 t + 1\right)}{\left(2 t - 1\right) \left(2 t + 1\right) \left(4 t^{2} - 1\right)}$$
((1 + 2*t)*(-1 + 2*t) - 4*t*(-1 + 4*t^2) + 4*t^2*(1 + 2*t)*(-1 + 2*t))/((1 + 2*t)*(-1 + 2*t)*(-1 + 4*t^2))