Question

If nth term of an AP, Fn= 3n+4 then find common difference. Plz fast.​

Answer 1

Answer:

PUTTING N=1

7

PUTTING N=2

10

COMMON DIFFERENCE= 10-7=3

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Answer 2

Answer:

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Step-by-step explanation:

nth Term of A. P.

Tn = 3n + 4

Putting the value of n = 1, 2, 3.

For n = 1,

T1 = 3 *1 + 4 = 3 + 4 = 7

For n = 2,

T2 = 3 *2 + 4 = 6 + 4 = 10

For n = 3,

T3 = 3 *3 + 4 = 9 + 4 = 13.

⏺️T2 - T1 = d

10 - 7 = 3

d = 3.

⏺️T3 - T2 = d

13 - 10 = 3.

Since, difference is common.

So, Common difference = 3.   ✔

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