Math, asked by newszboyishan9811, 5 months ago

Expand : ( p − 2m + n )²
a) p² − 4m² + n² − 4pm − 4mn + 2pn
b) p² - 4m² + n² − 4pm + 4mn + 2pn
c) p² + 4m² + n² + 4pm − 4mn + 2pn
d) p² + 4m² + n² − 4pm − 4mn + 2pn

Answers

Answered by swastikaghosh461

2

Answer:

p²‐4m²+n²‐4pm‐4mn+2pn

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