MCQOPTIONS
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| 1. |
In the expansion of \[{{\left( \frac{a}{x}+bx \right)}^{12}}\],the coefficient of x-10 will be |
| A. | \[12{{a}^{11}}\] |
| B. | \[12{{b}^{11}}a\] |
| C. | \[12{{a}^{11}}b\] |
| D. | \[12{{a}^{11}}{{b}^{11}}\] |
| Answer» D. \[12{{a}^{11}}{{b}^{11}}\] | |