Question

if t4=12 and d=10 then find tn​

Answer 1

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hope I helped

Answer 2

Step-by-step explanation:

t4= a+3d

12=a+3*10

12=a+30

a=12-30

a= -18

yaha par aapko tn ya fir n ki value send hogi toh ye aage solve ho payega