Question

find the Common difference of AP for which 11 term is 5 and 13 term is 79​

Answer 1

Answer:

Step-by-step explanation:

a11 = a +10d

5= a+10d.........(i)

a13=a+12d

79=a+12d......(ii)

subtacting i from ii

2d=74

d=37

therefore common difference is 37

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