Question

The 15 ,x+1,11 are in A.P find the value of x​

Answer 1

Answer:

To find -value of x

Step-by-step explanation:

15 ,x+1,11

a1=15=a______________(i)

a2=x+1=a+d____________(ii)

a3=11=a+2d_____________(iii)

Put (i) in (ii)

15+2d=11

=>2d=11-15

=>2d=-4

=>d=-2

Put value of a and d in (ii)

x+1=15-2

=>x=13+1

=>x=14

Hope this will help you

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