Question

if an ap 3rd term is 5and 7th term is 9 then the common different is ​

Answer 1

Answer:

1/2 is the common difference

Answer 2

Answer:

d = 1

Step-by-step explanation:

t₃ = a + 2d = 5

t₇ = a + 6d = 9

solve 1 and 2.

a + 6d =  9

a + 2d =  5

-   -         -

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4d = 4

=> d = 1