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If A + B = 12 and AB = 17, What is the value of A3 + B3 ? |
1116 1166 1106 1213 |
1116 |
If A + B = 12 AB = 17 What is the value of A3 + B3 If x + y = n then, $x^3 + y^3$ = n3 - 3 × n × xy A3 + B3 = 123 - 3 × 12 × 17 A3 + B3 = 1728 - 612 A3 + B3 = 1116 |
