find the zeros of 4x^2-3x-7
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Answer:
To find the value of
α
1
+
β
1
We know that equation ax
2
+bx+c=0
Then sum of roots =
a
−b
and product of roots=
a
c
From the given quadratic equation,
α+β=−
4
3
and αβ=
4
7
Therefore,
α
1
+
β
1
=
αβ
α+β
4
7
−
4
3
=−
7
3
⇒
α
+
β
1
=−
7
3
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