If ${x^2} + 2ax + 10 - 3a > 0$ for all $x \in R$, then
If ${x^2} + 2ax + 10 - 3a > 0$ for all $x \in R$, then
- [IIT 2004]
- A
$ - 5 < a < 2$
- B
$a < - 5$
- C
$a > 5$
- D
$2 < a < 5$
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