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D( x )
cos(x^(1/2)) = 0
x < 0
cos(x^(1/2)) = 0
cos(x^(1/2)) = 0
cos(x^(1/2)) = 0 <=> x^(1/2) = pi*k_1+pi/2 i k_1 należy do I
t_1 = pi*k_1+pi/2
x^(1/2)-t_1 = 0
1*x^(1/2) = t_1 // : 1
x^(1/2) = t_1
x^(1/2) = t_1 // ^ 2
x = t_1^2
x = pi*k_1+pi/2^2 i k_1 należy do I
x < 0
x in {( -oo : +oo ) / {< pi*k_1+pi/2^2 : pi*k_1+pi/2^2 > U ( -oo : 0 )}} i k_1 -> {I}
3*tan(x^(1/2)) = 0
tan(x^(1/2)) = 0
tan(x^(1/2)) = 0 <=> x^(1/2) = pi*k_1 i k_1 należy do I
t_1 = pi*k_1
x^(1/2)-t_1 = 0
1*x^(1/2) = t_1 // : 1
x^(1/2) = t_1
x^(1/2) = t_1 // ^ 2
x = t_1^2
x = pi*k_1^2 i k_1 należy do I
3*tan(x^(1/2)) = 0 <=> 3 = 0 or 3*tan(x^(1/2)) = 0 <=> tan(x^(1/2)) = 0
x = pi*k_1^2
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