Bishop Johnson College Document(6).pdf · 11. (a) If x + y + z = 6, xyz = 6 and xy+yz+zx = 11 then...
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Bishop Johnson College Document(6).pdf · 11. (a) If x + y + z = 6, xyz = 6 and xy+yz+zx = 11 then find x3 + y3 +z3 (b) If I +111 +n = 9, 12 +tn2 +712 = 27 and 13 -enz3 +n3 = 81 then
