Question

Find the sum of first 51st terms of an AP whose 26th term is 18

Answer 1

hey

$\Huge\orange{\boxed{\boxed{\underline{ANSWER}}}}$

$\bf given\: a_{26}=18$

$\bf a+25d=18$

$\bf \underline {a=18-25d}$

$\Huge\bf {\boxed {\underline{ S_n=n/2(2a+(n-1)d }}}}$

$\bf S_{51}=51/2(2(18-25d)+50d)$

$\bf \boxed{\underline {S_{51}=918 }}$

hope the answer helps

$\huge \pink{ \boxed{ \boxed{ \mathbb{ \mid \ulcorner THANKS \urcorner \mid }}}}$

Answer 2

Answer:

Aaj dj dj GK ho hmm hmm km

Step-by-step explanation:

djhl lixo dimdj v