Consider an A.P with first term 'a' and let common difference d. Let Sk denote the sum of the first K terms, let Skx/Sx, is independent of x, then

Question

kanwal32 · Answer

@hartnn pls help

kanwal32 · Answer

@saifoo.khan I cannot understand the question

saifoo.khan · Answer

Same here. xD

kanwal32 · Answer

lol

hartnn · Answer

that does not seem to be a complete question....can you put the screenshot ?

kanwal32 · Answer

sorry I forget to give the option(me idiot)
A)a=2d B)a=d C)a=2d D)none of these

kanwal32 · Answer

@hartnn can you givesome tips to solve mcq's

hartnn · Answer

for most MCQ type of questions, plugging in the choices in the question is a quicker approach....also, most of the times its easy to eliminate 2 out of 4 options.

for this question, what does Skx denote ?

kanwal32 · Answer

SK denotes the sum of k terms and it is written in the question that Skx/Sk is independent of x

hartnn · Answer

like 
$\huge S_{kx}$
?

kanwal32 · Answer

kx/2(ax+(kx-1)dx)/x/2(ax+(x-1)dx) (is it write)

kanwal32 · Answer

yes like this

kanwal32 · Answer

write-right

hartnn · Answer

ok,
so 
|dw:1404060047685:dw|