Question

10x3-19x2-61x-8
$10x^3 - 19x^2 - 61x - 8$
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Answer 1

Step-by-step explanation:

if x€R then x²+2x+a/x²+4x+3a can take all real values if

(1) a€(0,2)

(2)a€(0,1)

(3)a€[-1,1]

(4) none of these