3xsquare-2x-5-10 = 0 find roots is roots are real
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Answered by
0
Answer:
3 -2-15=0
-2/3-5=0
(-2.591) (+1927)~0
~2.5941 ~-1.9274
~ 2.5941
Answered by
1
Step-by-step explanation:
3x²-2x-15=0
Nature of the roots can be determined by discriminant
For the roots to be real D>=0
i.e, b²-4ac>=0
here b= -2
a= 3
c= -15
therefore. (-2)²-4(3)(-15)>=0
4+180>=0
184>=0
Since discriminant is greater than zero, two distinct roots exist.
the two roots can be found by
therefore they are
on simplifying we get,
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