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☆1 inequalities
[ 1/1Inequality]
Assignment:Find the solution set of inequality (15.925x^2+5.635x^3)/((72.945+48.63x+8.105x^2)+(7.27+1.818x)*(9+6x+x^2) ) >1.2 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
( 15.925 * x ^ 2 + 5.635 * x ^ 3 ) / ( ( 72.945 + 48.63 * x + 8.105 * x ^ 2 ) + ( 7.27 + 1.818 * x ) * ( 9 + 6 * x + x ^ 2 ) ) >1.2 (1)
From the definition field of divisor
( 72.945 + 48.63 * x + 8.105 * x ^ 2 ) + ( 7.27 + 1.818 * x ) * ( 9 + 6 * x + x ^ 2 ) ≠ 0 (2 )
From inequality(1):
x < -8.457096 或 -2.816856 < x < -1.856453 或 x > 9.194824
From inequality(2):
x < -8.457096 或 -8.457096 < x < -3 或 x > -3
From inequalities (1) and (2)
x < -8.457096 或 或 x < -8.457096 或 -2.816856 < x < -1.856453 或 x > 9.194824 (3)
The final solution set is :
x < -8.457096 或 或 x < -8.457096 或 -2.816856 < x < -1.856453 或 x > 9.194824Your problem has not been solved here? Please take a look at the hot problems !