Math, asked by Aruvi1193, 1 year ago

If {{x}^{2}}+2ax+10-3a>0
for all x\in R
, then [IIT Screening 2004]
A) -55 D) 2

Answers

Answered by AJAYMAHICH
2
according to given condition

4a square - 4(10-3a) < 0
a square +3a - 10 <0
(a+5)(a-2) < 0

-5<a<2
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