Question

For an A.P if tn = 4, n=2, d=-4 find a​

Answer 1

Answer:

hence answer will be 8

Step-by-step explanation:

tn=a+(n-1)d

4=a+(2-1)-4

4=a+(1)-4

4=a-4

a=8

Answer 2

Answer:

An = a + (n-1) d

4 = a + (2-1)*-4

4 = a + (1)*-4

4 = a - 4

4 + 4 = a

8 = a