... fraction in Column A as follows:///()/nnnnnnnnnnnnnnnnnnn 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 21 1 21 1++=++=++=++=++++=+++=++=++An alternate method ... radical.<23 3234 29 12 18 $$ 12 -1. B. Substituting:If x = 2, x3– x2– x – 1 = (–2)3– (–2)2– (–2) – 1 = –8 – 4 + 2 – 1 = 12 + 2 – 1 = 10 – 1 = 11 Hence x3– x2– x – 1 = 11 12 -2.B. Because ... leaves 2y + 3y = 540, and solving5y = 540y = 10 8y° x° 41 137 13 21 29353948 14 223036409 15 23 31 37 16 243225 17 10 18 265 11 19 273326 12 20283438m°n°25°72°55555555CCBBAADD"long"...