Q10 of 60 Page 21

Sum the following series to n terms :

The general term would be


The nth term would be






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8

Sum the following series to n terms :

2 + 4 + 7 + 11 + 16 + ………….

 9

Sum the following series to n terms :

 1

Find the locus of a point equidistant from the point (2, 4) and the y-axis.

 2

Find the equation of the locus of a point which moves such that the ratio of its distance from (2, 0) and (1, 3) is 5 : 4.