x²-38x +270 please solve this question
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Answer:
Explanation:
For this, you need a concept of imaginary numbers
x
2
+
4
=
0
⇒
x
2
+
4
−
4
=
0
−
4
(Subtracting
4
from both sides)
⇒
x
2
=
−
4
⇒
x
=
√
−
4
⇒
x
=
√
−
1
×
4
⇒
x
=
±
2
√
−
1
(The value of
√
−
1
is
i
)
⇒
x
=
±
2
i
Hope this helps :)
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