CBSE Class 12-science Answered
The area of the ellipse x square /a square + y square/b square=1 is:
a)pi ab b)ab
c)pi a square b square
d)None of these
2]The sum of 1/!2 - 1/!3 + 1/!4 - .......+ infinity is :
a)e to the power -2
b)e to the power -1
c)e to the power -1/2
d)e to the power 1/2
Asked by Om Prakash Arya | 25 Dec, 2013, 03:41: PM
Expert Answer
Pls ask one question at a time. The answer to your first question is as follows:
Answered by | 26 Dec, 2013, 11:27: PM
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