The Total solution for NCERT class 6-12
Given, the┬аkth┬аtermof the A.P. is 5k┬а+ 1.
kth┬аterm =┬аak┬а=┬аa┬а+(k┬атАУ 1)d
And,
a┬а+ (k┬атАУ 1)d┬а= 5k┬а+1
a┬а+┬аkd┬атАУ┬аd┬а=5k┬а+ 1
On comparing thecoefficient of┬аk, we get┬аd┬а= 5
a┬атАУ┬аd┬а= 1
a┬атАУ 5 = 1
тЗТ┬аa┬а=6
