(i) x4 – y4 + x2 - y2
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Answer:
this is not x4 - y4 + x2 - y2
ye question aise hoga
4x - 4y + 2x - 2y
Solve :
4x - 4y + 2x - 2y
4x - 2x + 4y - 2y
2x - 2y
Ager completely solve krna hai to iska answer
x - y hoga
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