Question

The 12th term of Asthmatic progmassion x+y, x-y, x-3y answer​

Answer 1

Answer:

$\huge{\textbf{\textsf{{\color{navy}{An}}{\purple{sw}}{\pink{er}} {\color{pink}{:}}}}}$

Explanation:

12 term will be

x-9y

.

I hope it will help you

Answer 2

Answer:

First term, a=(x+y)

Common difference, d=(-2y)

Sum up to 'n' terms, S_{n}=\frac{n}{2}(2a+(n-1)d)S

n pp=

2n (2a+(n−1)d)

Here n=22, then S_{22}=\frac{22}{2}(2(x+y)+(22-1)(-2y))=22x-440yS

22 = 2

22

(2(x+y)+(22−1)(−2y))=22x−440y