InterviewSolution
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InterviewSolution
| 1. |
If F(x)=f(x).Φ(x) and f'(x).Φ'(x)=a (where a is constant) ,then prove that F"/F=(f"/f)+(Φ"/Φ)+(2a/fΦ) [where "=d²/dx²; '=d/dx and F(x)≠0] |
| Answer» If F(x)=f(x).Φ(x) and f'(x).Φ'(x)=a (where a is constant) ,then prove that F"/F=(f"/f)+(Φ"/Φ)+(2a/fΦ) [where "=d²/dx²; '=d/dx and F(x)≠0] | |