factorise
16x²/49y⁴+49y⁴/16x²+2xy
Answers
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0
Step-by-step explanation:
Add 2xy,-3xy,-7xy,10xy
Answered by
0
Answer:
Step-by-step explanation:
16x²/ 49y⁴ + 49y⁴/ 16x² + 2xy
= ( 4x / 7y² ) ² + ( 7y² / 4x ) ² + 2 × ( 4x / 7y² ) × ( 7y² / 4x )
= ( 4x / 7y² + 7y² / 4x )²
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