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Inequation:
35*x^2-63*x+28>=0
im(z)^2<1
ctgx<√3/3
1,7-3(1-m)<-(m-1,9)
Identical expressions
im(z)^ two < one
im(z) squared less than 1
im(z) to the power of two less than one
im(z)2<1
imz2<1
im(z)²<1
im(z) to the power of 2<1
imz^2<1

Solving inequalities/ im(z)^2<1

im(z)^2<1 inequation

The solution

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  2       
im (z) < 1

$$\left(\operatorname{im}{\left(z\right)}\right)^{2} < 1$$

im(z)^2 < 1

Rapid solution

This inequality holds true always