Check whether − 150 is a term of the A.P. 11, 8, 5, 2, …
Answers
Answered by
185
a = 11 , d = 8-11
d= -3
nth term = -150
a+(n-1)d = -150
11+(n-1)(-3)= -150
11-3n+3 = -150
14-3n = -150
-3n = -150-14
-3n = -164 (removing '-' on both sides )
n = 164/3
so,-150 is not a term of the given list number.
d= -3
nth term = -150
a+(n-1)d = -150
11+(n-1)(-3)= -150
11-3n+3 = -150
14-3n = -150
-3n = -150-14
-3n = -164 (removing '-' on both sides )
n = 164/3
so,-150 is not a term of the given list number.
Answered by
57
this is the answer to the problem
Attachments:
Similar questions