Question

Find the sum of AP in -5+(-8)+(-11)+........+(-230)​

Answer 1

Answer:

An=a+(N-1)d

-230=-5+(n-1)-3

-225=-3n+3

n=228/3=76

Sn=n/2(2a+(n-1)d

=38(-10+75*-3)

=38*-235

=-8930 answer

Mark as brainliest please

Answer 2

Answer:

upper answer is right bro