which identity will you use to factorise 16p⁴- 56²q²+ 49q⁴? what will be its factors?
( urgent )
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Answer:
a² +b²-2ab=(a-b)²
Step-by-step explanation:
16p⁴-56²q²+49q⁴
= (4p²)²+(7q²)²-2(7q²)(4p²)
= (4p²-7q²)²
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