MATLAB输入程序:
>> syms t >> diff(1/(1+t^(1/2))+1/(1-t^(1/2)))
结果为:
ans = 1/(2*t^(1/2)*(t^(1/2) - 1)^2) - 1/(2*t^(1/2)*(t^(1/2) + 1)^2)
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