Question

5. The last term of an A.P of 'n' terms whose first term is 'X' and the common
difference 'y is

A) x + xy +y b) x-xy+yC) x+xy-y D} x-xy-y​

Answer 1

Answer:

The answer will be x+ny-y

Step-by-step explanation:

since,

1st term=x

Common difference=y

terms=n

therefore,

last term=x+(n-1)y

=x+ny-y

Answer 2

Answer:

x-y+ny

Step-by-step explanation:

general formula of last term is

Tn = a+(n-1) d

Given :- a=x and d=y

so, Tn=x+(n-1) y

Tn=x+ny-y