Find the zeroes of the polynomial2xsq+7/2x+3/4 by factorisation method and verify the relation between the zeroes and the coefficients of the polynomial
Answers
Answered by
16
Step-by-step explanation:
()=2
2
+
2
7
+
4
3
2
++,
=2, =
2
7
, =
4
3
, 2
2
+
2
7
+
4
3
=2
2
+
2
6
+
2
1
+
4
3
=2(+
2
3
)+
2
1
(+
2
3
)
=(+
2
3
)(2+
2
1
)
() ()=0
=>(+
2
3
)(2+
2
1
)=0
=>(+
2
3
)=0 (2+
2
1
)=0
=>=−
2
3
=−
4
1
−
2
3
, −
4
1
=(−
2
3
)+(−
4
1
)
=−
4
7
=−
2×2
7
=
2
−
=(−
2
3
)(−
4
1
)
=−
8
3
=−
4×2
3
=
2
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