काढा.
(3) जर एका अंकगणिती श्रेढीकरिता a = 1 व d = 3 असेल तर t11 काढा
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Answered by
7
Answer:
t11=31
Step-by-step explanation:
a = 1 व d = 3
t11= a+(n-1)d
= 1+(11-1)3
= 1+10×3
= 1+30
= 31
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