x + 1)⁴ - ( x - 1 )⁴
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Answer:
x4+4x3+6x2+4x+1. Explanation: The binomial theorem states: (a+b)4=a4+4a3b+6a2b2+4ab3+b4 . so here, a=xandb=1. We get:
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Answer:
x,1 is answer of question
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