Math, asked by maheen4617, 13 hours ago

The sum of first 20 terms of an AP is 420 and sum of first 19 terms of the same AP is 400 .Then 20th term is..??

Answers

Answered by gokulhari381

2

S20=420

S19=400

S20=S19+twentieth term

Twentieth term = 420-400

=20

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