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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(0.6*5.3)/295 = (1.9*8.7)/x // - (1.9*8.7)/x
(0.6*5.3)/295-((1.9*8.7)/x) = 0
(0.6*5.3)/295-16.53*x^-1 = 0
-16.53*x^-1 = -0.01077966 // : -16.53
x^-1 = 0.00065213
-1 < 0
1/(x^1) = 0.00065213 // * x^1
1 = 0.00065213*x^1 // : 0.00065213
1533.43658473 = x^1
x = 1533.43658473
x = 1533.43658473
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