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Popular >

1<x^2<4

Solution

1 < x^{2} < 4

Solution

- 2 < x < - 1 or 1 < x < 2

+1

Interval Notation

(- 2, - 1) \cup (1, 2)

Solution steps

1 < x^{2} < 4

If

a < u < b

then

a < u and u < b

1 < x^{2} and x^{2} < 4

1 < x^{2} : x < - 1 or x > 1

x^{2} < 4 : - 2 < x < 2

Combine the intervals

(x < - 1 or x > 1) and - 2 < x < 2

Merge Overlapping Intervals

- 2 < x < - 1 or 1 < x < 2

Popular Examples

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- \frac{3}{2} - \frac{3}{2}

∣ 9 + 4 x ∣ = 1

simplify log_{5}(5)simplify

lo g_{5} (5)

simplify 2x*x^{1/2}simplify

2 x \cdot x^{\frac{1}{2}}

factor 15x^2-34x-16 factor

15 x^{2} - 34 x - 16

Frequently Asked Questions (FAQ)

What is 1<x^2<4 ?
The solution to 1<x^2<4 is -2<x<-1\lor 1<x<2