求解一道求导求零点问题
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f(x) = x^5 - 3x^4/13 + x^3/2 - 3x^2/26 + 2x - 6/13
f(0) = -6/13, f(1) = 70/26;
f(0.2) = -0.062203, f(0.3) = 0.1421377;
f(0.22) = -0.0218243, f(0.24) = 0.01875801;
f(0.23) = -0.00156096, f(0.231) = 0.00227588
解区间 (0.23, 0.231)
f(0) = -6/13, f(1) = 70/26;
f(0.2) = -0.062203, f(0.3) = 0.1421377;
f(0.22) = -0.0218243, f(0.24) = 0.01875801;
f(0.23) = -0.00156096, f(0.231) = 0.00227588
解区间 (0.23, 0.231)
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