218k views
4 votes
I) For an given A.P. t7

= 4, d = -4 then a = . . .​

1 Answer

0 votes

Answer:

a = 28

Explanation:

Given : t7= 4 , d = -4

Solution : tn = a + (n - 1) d ......( formula)

t7 = a + (7 - 1) (-4)

4 = a + (6)( - 4)

4 = a - 24

4 + 24 = a

28 = a

therefore, the first term (a) is 28.

User Rsanath
by
7.6k points

Related questions

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories