Math, asked by ShahHasti123, 1 year ago

The nth term of an AP is 4n-5. Find its common difference

Answers

Answered by samyak6

1

T20=A+(N-1)D
9 =A +(N-1)D
9=A+(4N-5)D
9=-2+(4N-5)D
9+2=(4N-5)D
11+5/4=D
16/4=D
4=D

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