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Byju's Answer
Standard VIII
Mathematics
Factorisation by Regrouping Terms
Find zeros of...
Question
Find zeros of the polynomial
f
(
x
)
=
x
2
+
99
x
+
127
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Solution
x
2
+
99
x
+
127
=
0
x
=
−
99
±
√
(
99
)
2
−
4
(
127
)
2
x
=
−
99
±
√
(
99
)
2
−
4
(
127
)
2
x
=
−
99
±
√
9293
2
x
=
−
99
+
√
9293
2
,
−
99
−
√
9293
2
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2
Similar questions
Q.
The zeros of the quadratic polynomial
x
2
+
99
x
+
127
are
Q.
The zeroes of the quadratic polynomial
x
2
+ 99
x
+ 127 are
(a) both positive (b) both negative
(c) both equal (d) one positive and one negative
Q.
Find the zeros of the polynomial
f
(
x
)
=
x
2
−
2
and verify the relationship between its zeros and coefficients.
Q.
If α and β are the zeros of the quadratic polynomial f(x) = x
2
− 1, find the quadratic polynomial whose zeros are
2
α
β
and
2
β
α
.