Question

The value of x for which (5x + 2), (4x-1) and (x + 2) are in A.P. is
(1) 3
(2) 4
(3) 5
(4) 6​

Answer 1

Step-by-step explanation:

okay...

So if they are in Arithmetic progression ..

2b = a+ c

right?

here ,

a = 5x + 2

b = 4x - 1

c = x + 2

Now..

2b = a + c

2(4x - 1) = 5x +2 + x + 2

8x - 2 = 6x + 4

2x = 6

x = 3

Answer 2

Answer:

3 is answer use property that

in an a.p

three terms a,b and c

a+c/2= b