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| 1. |
यदि `A=[(cos alpha, sin alpha),(-sin alpha, cos alpha)]` तो `A^(n)` बराबर है-A. `[(cos n alpha,-sin n alpha),(sin n alpha,cos n alpha)]`B. `[(cos n alpha,sin n alpha),(-sin n alpha, cos n alpha)]`C. `[(sin n alpha,cos n alpha),(-cos n alpha,sin n alpha)]`D. `[(1,0),(0,1)]` |
| Answer» Correct Answer - B | |