Question

For an AP d=5 , then t20 - t10 is ---​

Answer 1

Answer:

Common difference = d = 5first term = a = anumber of the term = nTn = a+(n-1)dT18 = a+(18-1)5T18 = a+(17)5T18 = a+85Tn = a+(n-1)dT13 ...