Question

If 2x – 1, 2x – 3 and x + 4 are in A.P. then find x.

Answer 1

Step-by-step explanation:

a= 2x-1

T2 = 2x-3

T2= a + (n-1)d

2x - 3 = 2x -1 + d

d= -2

T3 = a+ (n-1)d

X+4 = 2x-1 + (2)(-2)

4+4+1=X

X=9