If 9x+2y2−3z2=132 and 9y−2y2+3z2=867, then x+y =
(a) 105 (b) 110 (c) 111 (d) 120 (e) 129
...
Mathematics, 29.08.2019 20:30, Ackussinglake63
If 9x+2y2−3z2=132 and 9y−2y2+3z2=867, then x+y =
(a) 105 (b) 110 (c) 111 (d) 120 (e) 129
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