Question

The 7th term of an A.P. is 14 and its 13th term is 50. Find its common difference. Please answer with working outs. I will mark you the brainiest if you have the right answer and fast answer.

Answer 1

Step-by-step explanation:

7th term =14 13th term =50

difference of terms*d=difference of

terms

13-7 d=50-14

6d=36

d=36/6

6

d=6

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Answer 2

Answer: Common Difference = 6

Step-by-step explanation:

HEY THERE, SEE we have given,

⇒a+(7-1)d=14--------1)

⇒a+(13-1)d=50-----------2)

Now we have two linear equations in two variable, so just solve them by subtractiong (2) from (1),

⇒a+6d=14

⇒a+12d=50

⇒-6d= -36

⇒∴ d= 6

HOPE it helps and mark it as brainliest if you like it.