Объединение рациональных выражений
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(3 + a)*\(3 + a*(4 + a))*(6 + a*(5 + a)) + \1 + a + (1 + a) /*(3 + a*(4 + a) + 2*a*(6 + a*(5 + a)))/ - 2*(3 + a*(4 + a))*(6 + a*(5 + a))*\1 + a + (1 + a) /
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(3 + a)*(3 + a*(4 + a))*(6 + a*(5 + a))*\1 + a + (1 + a) / $$\frac{1}{\left(a + 3\right) \left(a \left(a + 4\right) + 3\right) \left(a \left(a + 5\right) + 6\right) \left(a + \left(a + 1\right)^{2} + 1\right)} \left(\left(a + 3\right) \left(\left(a \left(a + 4\right) + 3\right) \left(a \left(a + 5\right) + 6\right) + \left(a + \left(a + 1\right)^{2} + 1\right) \left(a \left(a + 4\right) + 2 a \left(a \left(a + 5\right) + 6\right) + 3\right)\right) - 2 \left(a \left(a + 4\right) + 3\right) \left(a \left(a + 5\right) + 6\right) \left(a + \left(a + 1\right)^{2} + 1\right)\right)$$