MCQOPTIONS
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| 1. |
If the coefficient of \[{{(2r+4)}^{th}}\] and \[{{(r-2)}^{th}}\]terms in the expansion of \[{{(1+x)}^{18}}\]are equal, then r= [MP PET 1997; Pb. CET 2001] |
| A. | 12 |
| B. | 10 |
| C. | 8 |
| D. | 6 |
| Answer» E. | |