Find zero of quadratic formula and verify the
relationship between the zero and coefficients x
2
-2x-8.
Answers
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0
Answer:
x
2
−2
2
x=0⇒ax
2
+bx+c⇒a=1b=−2
2
x(x−2
2
)=0
x=0,2
2
∴∝=0,β=2
2
∝+β=
a
−b
=
1
−(−2
2
)
=2
2
∝×β=
a
c
=
1
0
=0
0+2
2
=2
2
(−2
2
×0)=0
L.H.S=R.H.S L.H.S=R.
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