गुणोत्तर श्रेणी 3, 6, 12, ... का 12वाँ पद ज्ञात कीजिये।
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a=3,b=6 ,d=a-b
d=6-3=3
Answer:
an=a+(n-1)d
a12=3+(12-1)3
a12=3+11*3
a12=36
Explanation:
an
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