1.

If x+y+z=9 and xy+yz+zx = 23, the value of (x3+y3+z3−3xyz)=? (a) 108 (b) 207 (c) 669 (d) 729

Answer»

If x+y+z=9 and xy+yz+zx = 23, the value of (x3+y3+z33xyz)=?

(a) 108

(b) 207

(c) 669

(d) 729



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