Find the zeroes of the polynomial:
5√5x²+30x+8√5
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given
⇒ 5
5
x
2
+30x−8
5
∴ x=
2a
−b±
b
2
−4ac
=
10
5
−30±
(30)
2
−4×5
5
×8
5
=
10
5
−30±
900+800
=
10
5
−30±
1700
=
10
5
−30±10
17
=
10
5
−30
±
10
5
10
17
=
5
−3
±
5
17
∴ Zero of polynomial =
5
−3
+
5
17
,
5
−3
−
5
17
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