Question

the 11th term of an AP is 38 and the common difference is 3. what is the first term of the AP​

Answer 1

Answer:

11th term is 38

d=3 , a=?

we know,

tn=a+(n-1)d

38=a+(11-1)3

38=a+10×3

38=a+30

38-30=a

8=a

therefore,

first term is 8

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