Math, asked by suraj2528, 6 months ago

19. common difference of AP; 3, 1,-1, -3.......... is
(a) 2.
(b)-2
(c)3
(d) 1​

Answers

Answered by saiyedfazil
2

common difference= a2-a1

=1-3=-2

answer is b) -2

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