Подстановка условия
[src]sqrt(a - 2*sqrt(a - 1*1)) + sqrt(a + 2*sqrt(a - 1*1)) при a = 3/2
_________________ _________________
/ _______ / _______
\/ a - 2*\/ a - 1 + \/ a + 2*\/ a - 1
$$\sqrt{a - 2 \sqrt{a - 1}} + \sqrt{a + 2 \sqrt{a - 1}}$$
__________________ __________________
/ ________ / ________
\/ a - 2*\/ -1 + a + \/ a + 2*\/ -1 + a
$$\sqrt{a - 2 \sqrt{a - 1}} + \sqrt{a + 2 \sqrt{a - 1}}$$
__________________________ __________________________
/ ____________ / ____________
\/ (3/2) - 2*\/ -1 + (3/2) + \/ (3/2) + 2*\/ -1 + (3/2)
$$\sqrt{(3/2) - 2 \sqrt{(3/2) - 1}} + \sqrt{(3/2) + 2 \sqrt{(3/2) - 1}}$$
____________________ ____________________
/ 3 __________ / 3 __________
/ - - 2*\/ -1 + 3/2 + / - + 2*\/ -1 + 3/2
\/ 2 \/ 2
$$\sqrt{\frac{3}{2} - 2 \sqrt{-1 + \frac{3}{2}}} + \sqrt{2 \sqrt{-1 + \frac{3}{2}} + \frac{3}{2}}$$
___________ ___________
/ 3 ___ / 3 ___
/ - + \/ 2 + / - - \/ 2
\/ 2 \/ 2
$$\sqrt{\frac{3}{2} - \sqrt{2}} + \sqrt{\sqrt{2} + \frac{3}{2}}$$