(x – 5) (x + 9)(x – 8) < 0 solve inequality
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EXPLANATION.
Inequality of the equation.
⇒ (x - 5)(x + 9)(x - 8) < 0.
As we know that,
First we find the zeroes of the equation, we get.
⇒ x - 5 = 0.
⇒ x = 5. - - - - - (1).
⇒ x + 9 = 0.
⇒ x = -9. - - - - - (2).
⇒ x - 8 = 0.
⇒ x = 8. - - - - - (3).
Put the values in the wavy curve method, we get.
⇒ x ∈ (-∞,-9) ∪ (5,8).
MORE INFORMATION.
Domain = Domain of relation is collection of elements of the first set which are participating in the correspondence that is it is set of all pre-images under the relation R.
Co-Domain = All elements of set Y irrespective of whether they are related with any element of X or not constitute Co-domain.
Range = Range of relation is a set of those elements of set Y which are participating in correspondence that is set of all images.
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