Question

if x, x + 10 and 3X + 2 are in AP find the value of x

Answer 1

Answer:

Step-by-step explanation:

Given,

Three numbers are X, X+10 and 3X+2

Then, Sn= X+X+10+3X+2 ______________ Equ. 1

As we know that Sn= n/2[2a+(n-1)*d]

4x+12=24

X=3