Question

in an AP, if the Common difference
-4 and the 'Seventh term is a 4 then
find the first term
22
23
28
20​

Answer 1

Answer:

28

Step-by-step explanation:

cd= -4

7th term of AP=4

=>a+6d=4

=>a+6(-4)=4

=>a-24=4

=>a=28