Question

If x1 2, x1 3 and 1 x 5 are in a.P. Find the value of x.

Answer 1

hello!

this terms are in AP.

so we know,

2b=a+c

in your question, a = x12, b=x13 ,c= 1x5

putting the value of a,b,c you can get your answer

thank-you

I hope this will help you