Question

the sum of first n terms of an AP is 153 and the common difference is 2. if the first term is an integer the number of possible values of n are​

Answer 1

SOLUTION____✒️

=an= 153

=d= 2

=an= a+(n-1)d

=153= 1+(n-1)2

=153= 1+2n- 2

=153= 2n-1

=2n= 153+1

=2n= 154

=n= 154/2

= n= 77 ans.

#️⃣MARK BRAINLIEST✓✓