Question

श्रेढी 3, 6, 9, 12........... 111 का अन्त से ग्यारहवाँ पद ज्ञात कीजिए
का अन्त से 19 वाँ पद
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Answer 1

Answer:- 3,6,9,12........111 find 19th term

a=3

d= 6-3=3

L=111

n= 19

putting the value on formula:- L-(n-1) d

111-(19-1)3

111-(18)3

111-54

57

57 is the answer

Answer 2

Step-by-step explanation:

3,6,9,12,...111 is the given AP.

first term (a)=3

common difference (d)=3

last term(L)=111

n=37

Tn=L-(n-1)d

T11=111-30

=81

Means form last 11 term is 81.