Answers

2015-12-06T09:16:07+05:30
Its discriminant is 25-(-96)=25+96=121
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2015-12-06T10:44:20+05:30
Use ,

D = b²-4ac

D = 25 - 4×2×-12

D = 25 + 96

D = 121 , Here it is !
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