Question

Is 56 the arithmetic sequence of 3, 10, 17, ......​

Answer 1

Answer:

here is 56 is not in the arithmetic mean

Answer 2

a = 3

d = 10 - 3= 7

an = 56

ATQ

an = a + n-1d

56=3+n-1 ×7

56 - 3 = n - 1 × 7

53 = n - 1 × 7

53 ÷ 7 = n - 1

It is not possible. ....

Step-by-step explanation:

I hope it helps u. ....