find the common difference for an Ap,if t16=17,t17=15
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3
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.
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