Question

B. Solve the following sub-questions :
1 Find the first term and the common difference for the A.P 5, 1, -3, -7,..​

Answer 1

Answer:

t1=5 t2=1 t3=-3 t4= -7

a= t1 =5

d=?

t2-t1= 1-5= -4

t3-t2 =-3-1= -4

since the difference is constant the sequence is an ap

d= -4