hloooo friends...............
Answers
Answered by
1
Answer:
hlo good morning ....hru. .
Explanation:
16x
4
−81y
4
=(2x)
4
−(3y)
4
=(4x
2
)
2
−(9y
2
)
2
=(4x
2
−9y
2
)(4x
2
+9y
2
)
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