Find a 10 from the end of AP: 4,9, 14, ...254.
Answers
Answered by
5
Answer:
an= a+(n-1) d (d= a2-a1= 9-4=5)
Step-by-step explanation:
a10= 4+(10-1)5
a10= 4+(9)5
a10= 49
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Answered by
3
a = 4 d = 5 an 254
from end of the ap
a =254 d = -5 n= 10
an = a+(n-1)d
a10= 254+(10-1)-5
a10=254+9 × -5
a10=254-45
a10=209.............ans
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