CBSE Class 11-science Answered
sir help with this one
Asked by vt2008 | 09 Sep, 2010, 05:11: PM
Expert Answer
Dear Student,
The second last step involves the term pi/6 with a negative sign and the exponent to (-1) is n. Now in the last step, the negative sign of pi/6 is multiplied to (-1) to the power n. this made the exponent of (-1) equal to n+1.
Regards Topperlearning.
Answered by | 09 Sep, 2010, 05:19: PM
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