Question

(क) समान्तर श्रेणी 3, 1, - 1, - 3,...के लिए सार्व अन्तर होगा :
(iii) - 2 (iv) 3
(i) 1
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Answer 1

Answer:

-2 is your correct answer............

Answer 2

d=a2-a1

d=1-3

d=-2

so,the answer is-2