Question

if 4th and 7th are the 2 and 3 terms of an A.P respectively then the first term​

Answer 1

Answer:

As given:

4th term=2

7th tem=3

let 1st term = a

& common difference=d

hence

a+3d =2>>>>>eq1

& a+6d=3>>>>eq2

solving both eauation

(eq1*2)-(eq2)

we find first term

a= 1

Hope it'll help you.

Answer 2

Answer:

The First term is 1

Step-by-step explanation:

2nd term = 4

3rd term = 7

d = 7-4 = 3

∴ 1st term = 4-3 = 1

hope this helps

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