Найти производную функции

Решите задачу:

$1) \\ \frac{(x {}^{5} + x {}^{3} + x)(x + 1) - (x {}^{5} + x {}^{3} + x)(x + 1)}{(x + 1) {}^{2} } \\ \frac{(5x {}^{4} + 3x {}^{2} + 1)(x + 1) - (x {}^{5} + x {}^{3} + x) \times 1 }{(x + 1) {}^{2} } \\ \frac{4x {}^{5} + 5x {}^{4} + 2x {}^{3} + 3x {}^{2} + 1 }{(x + 1) {}^{2} } \\ 2) \\ \frac{( \sqrt{x} + x {}^{2} + 1)(x - 1) - ( \sqrt{x} + x {}^{2} + 1) \times 1 }{(x - 1) {}^{2} } \\ \frac{( \frac{1}{2 \sqrt{x} } + 2x)(x - 1) - ( \sqrt{x} + x {}^{2} + 1) \times 1}{(x - 1) {}^{2} } \\ \frac{ - x - 1 + 2x {}^{2} \sqrt{x} - 4x \sqrt{x} - 2 \sqrt{x} }{2 \sqrt{x}(x - 1) {}^{2} }$