Question

D=3,t4=12
compute the first term and 10th term

Answer 1

Answer:

a=?

d=3

t4=12

tn= a+(n-1)d

t4=a+(4-1)3

12=a+3×3

12=a+9

a=3

t10=?

a=3

d=3

tn=a+(n-1)d

t10=3+(10-1)3

t10=3+9×3

t10=3+27

t10=30