CUET Preparation Today
If x - y = 4 and xy = 3, then what is the value of $x^3 - y^3$ ? |
88 28 100 64 |
100 |
If, x - y = k, then x3 - y3 = k3 + 3k × xy. If x - y = 4 xy = 3, then what is the value of $x^3 - y^3$ x3 - y3 = (4)3 + 3 × 4 × 3 = 64 + 36 = 100 |
