Q1.solve Using the quadratic formula:x^2_4x+1=0
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Answered by
2
Answer:
" refer the attachment "
Step-by-step explanation:
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Answered by
3
The quadratic formula states:
For
a
x
2
+
b
x
+
c
=
0
, the values of
x
which are the solutions to the equation are given by:
x
=
−
b
±
√
b
2
−
(
4
a
c
)
2
⋅
a
Substituting:
1
for
a
−
4
for
b
1
for
c
gives:
x
=
−
(
−
4
)
±
√
(
−
4
)
2
−
(
4
⋅
1
⋅
1
)
2
⋅
1
x
=
4
±
√
16
−
4
2
x
=
4
±
√
12
2
x
=
4
−
√
4
⋅
3
2
and
x
=
4
+
√
4
⋅
3
2
x
=
4
−
√
4
√
3
2
and
x
=
4
+
√
4
√
3
2
x
=
4
−
2
√
3
2
and
x
=
4
+
2
√
3
2
x
=
4
2
−
2
√
3
2
and
x
=
4
2
+
2
√
3
2
x
=
2
−
√
3
and
x
=
2
+
√
3
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