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69 The roots of the quadratic equation (A2+b2)x2-2(ac+bd)x+(C2+D2)=0 are equal.Prove that a/b=c/d. |
| Answer» 69 The roots of the quadratic equation (A2+b2)x2-2(ac+bd)x+(C2+D2)=0 are equal.Prove that a/b=c/d. | |