Question

If t8=15 and t14=27 then find s100

Answer 1

Answer:

Hey!!!!

Refer attachment....

Hope that helps!!

Answer 2

Step-by-step explanation:

t+7d=15

t+13d=27

(-) (-) (-)

so, it became

-6d=-12

d=2

subs

t+7(2)=15

t=15-14

t=1

s100=100/2(2*1+(100-1)(2))

=50(2+99*2)

=50(2+198)

=50(200)

=10000