Find the 9th term from the end (towards the first term ) of the A.P .5 ,9z13,......,185.
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Answered by
0
185+(9-1)5
185+40
225
we can do this by applying
tn=a+(n-1)d
185+40
225
we can do this by applying
tn=a+(n-1)d
Answered by
3
Reversing the AP series ,
185,........13,9,5
then,
a=185,
d=9-13= -4,
9th term=a+(n-1)d
=185+(9-1)(-4)
=153
185,........13,9,5
then,
a=185,
d=9-13= -4,
9th term=a+(n-1)d
=185+(9-1)(-4)
=153
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