4042.sagews

Solve(6-2(x-3)==3+x, x)

Traceback (most recent call last): File "<stdin>", line 1, in <module> File "_sage_input_25.py", line 10, in <module> exec compile(u'open("___code___.py","w").write("# -*- coding: utf-8 -*-\\n" + _support_.preparse_worksheet_cell(base64.b64decode("U29sdmUoNi0yKHgtMyk9PTMreCwgeCk="),globals())+"\\n"); execfile(os.path.abspath("___code___.py"))' + '\n', '', 'single') File "", line 1, in <module> File "/tmp/tmpcCmaxh/___code___.py", line 3, in <module> exec compile(u'Solve(_sage_const_6 -_sage_const_2 (x-_sage_const_3 )==_sage_const_3 +x, x)' + '\n', '', 'single') File "", line 1, in <module> NameError: name 'Solve' is not defined

diff (x*csc(x^2), x)

-2*x^2*csc(x^2)*cot(x^2) + csc(x^2)

integral (cos(2*x),x)

1/2*sin(2*x)

diff (1/2*sin(2*x),x)

cos(2*x)

def f(x):
    return(3-2*x^2)/(5*x^2+100*x)
f(1000000)

-1999999999997/5000100000000