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4S square - 4 s + 1 |
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Answer» 4s^2 -4s+1=4s^2-2s-2s+1=2s(2s-1)-1(2s-1)=(2s-1)(2s-1)S=1/2 4s²-4s+1[4s²-2s-2s+1][4s²-2s]-[2s+1]4s(2s-1)-1(2s-1)(4s-1)(2s-1)When4s-1=04s=1S=1/4,Or2s-1=02s=1S=1/2 |
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