If roots of px2 + 6x + 1 = 0 are real, find p.
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Answer:
p>= 9
Step-by-step explanation:
here a=9,b=6,c=1
The given equation will have real roots
If b*2-4ac>=0
=6*6-4(p)(1)>=0
=36-4p>=0
=36>=4p
=p>=9
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