Solution inequality:
Directly input the univariate inequality (that is, the inequality containing only one variable), set the angular unit (radian or angle) of the trigonometric function, and click the "Next" button to obtain the solution set of the inequality.
It supports mathematical functions (including trigonometric functions).
Overview: 3 questions will be solved this time.Among them ☆1 inequalities ☆2 equations
[ 1/3Inequality] Assignment:Find the solution set of inequality (2.5x)*(2.5x)+(1.82x)*(1.82x) >= 8.09*8.09 . Question type: Inequality Solution: The inequality can be reduced to 1 inequality: ( 2.5 * x ) * ( 2.5 * x ) + ( 1.82 * x ) * ( 1.82 * x ) >= 8.09 * 8.09 (1) From inequality(1): x ≤ -2.616165 或 x ≥ 2.616165 The final solution set is : x ≤ -2.616165 或 x ≥ 2.616165 [ 2/3 Equation] Work: Find the solution of equation 2.5*2.62 = a . Question type: Equation Solution:Original question:
5
2
×
131
50
=
a
Left side of the equation =
131
20
The equation is transformed into :
131
20
=
a
Transposition :
-
a
=
-
131
20
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
131
20
=
a
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
a
=
131
20
This is the solution of the equation. This is the solution of the equation.
[ 3/3 Equation] Work: Find the solution of equation 1.82*2.62 = b . Question type: Equation Solution:Original question:
91
50
×
131
50
=
b
Left side of the equation =
11921
2500
The equation is transformed into :
11921
2500
=
b
Transposition :
-
b
=
-
11921
2500
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
11921
2500
=
b
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
b
=
11921
2500
This is the solution of the equation. This is the solution of the equation.
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