Question

How many term of the AP -6,-11/2,-5. are needed to give the sum -25

Answer 1

Answer:

here is your answer mate=16

Step-by-step explanation:

16

-15-13-11

=-15+13-11

=--28-11

=-39

=-39+-55

=16

Answer 2

Answer:

20 or 5

Step-by-step explanation:

-25=n/2[2*(-6)(n-1)1/2]

n=20 or 5