fatorise 3y^4– 108y^2
Answers
Answered by
5
Answer:
3
y
4
−
2
y
2
−
5
=
(
y
2
+
1
)
(
3
y
2
−
5
)
Explanation:
3
y
4
−
2
y
2
−
5
=
3
y
4
+
3
y
2
−
5
y
2
−
5
=
3
y
2
(
y
2
+
1
)
−
5
(
y
2
+
1
)
=
(
y
2
+
1
)
(
3
y
2
−
5
)
[Ans]
Step-by-step explanation:
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Answered by
1
Answer:
4y
2
⋅(x−3)⋅(x
2
+3x+9)
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