Math, asked by shrikant6824, 1 month ago

गिव द 123rd
टर्म इन एपी - 14 - 17 - 20?

Answers

Answered by mahima30121995

1

Answer:

A.P = -14,-17,-20

a = -14

d = -17-(-14)= -17+14= -3

n = 123

an = a+(n-1)d

a123 = -14(123-1)-3

= -14×122×(-3)

= 5124

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