Math, asked by gansh8577, 10 months ago

please answer 12th ques

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Answered by vaishalidhawan

1

Step-by-step explanation:

Let the common difference be *'d'***

t2-t1=d

d=(a-d)-(a-2d)

d=a-d-a+2d

d=0-d

d=d

Answered by ravi689

0

Answer:

the common difference is 1

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