find the roots of quadratic equation 3xsquare+x-2=0
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Answered by
1
Correct option is
B
x=
2
−3±
17
Gven equation is
x
2
+3x−2=0
Using quadratic formula,
a=1,b=3,c=−2
x=
2a
−b±
b
2
−4ac
x=
2×1
−3±
9−4(1)(−2)
∴x=
2
−3±
17
∴ the roots of the given equation are
2
−3±
17
B
x=
2
−3±
17
Gven equation is
x
2
+3x−2=0
Using quadratic formula,
a=1,b=3,c=−2
x=
2a
−b±
b
2
−4ac
x=
2×1
−3±
9−4(1)(−2)
∴x=
2
−3±
17
∴ the roots of the given equation are
2
−3±
17
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