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If x^2+2ax+10-3a gt0 for all x in R the...

If `x^2+2ax+10-3a gt0` for all `x in R` then

A

`a lt - 5`

B

`- 5 lt a lt 2`

C

`a gt 5`

D

`2 lt a lt 5`

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The correct Answer is:
B
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