Question

for the following A.Ps,write the a and d :72,67,62,57,....​

Answer 1

Answer:

A = 72 and d = 67-72=-5

Step-by-step explanation:

Answer 2

Answer:

a = 72 and d = -5

Step-by-step explanation:

BASIC CONCEPT :--

The 1st term of an A.P. is considered

''a"

The common difference found between any number and the preceding number is considered

"d"

Solution:-

Here , Clearly , 1st term

a = 72

And , Common difference

d = 2nd term - 1st term

= 67 - 72 = -5