81x^2<16решить неравенство

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вопрос

To solve the inequality 81x^2 < 16, we need to isolate x.

First, divide both sides by 81 to get:

x^2 < 16/81

Now, take the square root of both sides to solve for x:

x < ±√(16/81)
x < ±4/9

So the solution to the inequality is:
-4/9 < x < 4/9