Question

find the common difference for an Ap,if t16=17,t17=15
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Answer 1

Answer:

Answer=>d=-8.

Step-by-step explanation:

given,

t16=17,t17=15

an=a+(n-1)d

t17=t6+(t16-1)d

15=17+(16)d

-2=16d

d=-8

Hope this helps you.