in the following finite A.P., find the 7th term from the end ,11,17,23,29,.....,605.
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Answered by
5
Answer:
575
Step-by-step explanation:
firstly reverse the ap
new ap
605.......,29,23,17,11
a=605,d=11-17=-5,n=7
an=a+(n-1)d
an=605+(7-1)(-5)
an=605+(6)(-5)
an=605-30
an=575
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