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| 1. |
If a, b, c, d be 3^(rd), 4^(th), 5^(th) and 6^(th) terms of the expansion of (p+q)^(n), where n is a positive integer prove that (b^(2)-ac)/(c^(2)-b)=(5a)/(3c). |
| Answer» SOLUTION :N/A | |