If x+y+z = 18, xyz = 81 and xy+yz + zx = 90, then the value of x³ + y³ + z³ + xyz is:

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If x+y+z = 18, xyz = 81 and xy+yz + zx = 90, then the value of x³ + y³ + z³ + xyz is:
(a) 1321 (b) 1296
(c) 1225 (d) 1250

#sscmaths #ssccgl #mathstrick
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