k(x) = sin(1/x);k
x |--> sin(1/x) x |--> sin(1/x) |
plot(k, (x,-0.1, 0.1), color='green');
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f(x) = x*sin(1/x);f
x |--> x*sin(1/x) x |--> x*sin(1/x) |
plot(f,(x,-0.001, 0.001), color='red');
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