Math, asked by alexanderagustine555, 6 months ago

find the 2oth term from the last term of ap 12,8,4....-84

Answers

Answered by MuzammilHasanNaqvi

1

Step-by-step explanation:

a p in reverse order= -84,-80,-76.......

Last term= -84

Difference= 4 ( from last term )

n=20

Formula to find the 20th term=

an=a1 +(n-1)d

20th term= -84+(20-1)4

= -84+76

= -8

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