<p> maple(solve(f(x,y)≡0,x) </p>

7546038f-82cb-4653-9c3c-64fb3e644272 7 9 12 decimal

&[DATE] &[TIME] - &[FILENAME]

x y f x 3^y 3^- 31 0.4 - (* x * y * - :

y F x y f 0 ≡ x solve maple :

x F 203 nthroot (2^25 x 3^* 5 sqrt x 3^108 - 125 x 3^* + (* sqrt * + 3 nthroot (2^* 60 x * + 10203 nthroot * 25 x 3^* 5 sqrt x 3^108 - 125 x 3^* + (* sqrt * + 3 nthroot * / 203 nthroot (2^25 x 3^* 5 sqrt x 3^108 - 125 x 3^* + (* sqrt * + 3 nthroot (2^3 x * 203 nthroot * + (203 nthroot (2^* - i 3 sqrt * 203 nthroot (2^25 x 3^* 5 sqrt x 3^108 - 125 x 3^* + (* sqrt * + 3 nthroot (2^* 60 x * - (* + (* 40025 x 3^* 5 sqrt x 3^108 - 125 x 3^* + (* sqrt * + 3 nthroot * / 203 nthroot (2^25 x 3^* 5 sqrt x 3^108 - 125 x 3^* + (* sqrt * + 3 nthroot (2^3 x * 203 nthroot * + (203 nthroot (2^* i 3 sqrt * 203 nthroot (2^25 x 3^* 5 sqrt x 3^108 - 125 x 3^* + (* sqrt * + 3 nthroot (2^* 60 x * - (* + (* 40025 x 3^* 5 sqrt x 3^108 - 125 x 3^* + (* sqrt * + 3 nthroot * / - 31 sys :

x q1 x F 1 el Re eval : x q2 x F 2 el Re eval : x q3 x F 3 el Re eval : 31 sys

u 0.95245 :

X 0.755957587291973 - :

u q2 u q3 - u q3 21 mat 0.000000000000000 0.755957587291973 - 21 mat

ε 1012 -^:

x c2 1 x u ≤ (0 x ≤ (& cases :

x q1 x q2 x c2 * x q3 x c2 * u X + 15 black 1 5 mat 4 1 sys

x q3 x ε u int x q2 x ε u int - 0.54