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- · x3 + y3 + z3 = 3(1 +xyz), P = y + z-x, Q R=xt+ y -z t, P3 + Q3 + R3- 3PQR t? Options: 12 . If...
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· x3 + y3 + z3 = 3(1 +xyz), P = y + z-x, Q R=xt+ y -z t, P3 + Q3 + R3- 3PQR t? Options: 12 . If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)? a3 + 3a2 + 9a = 1 Ù, a3
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