Question

if 6,x,8 is in A.p. then find x​

Answer 1

Given,

• 6,X,8 is in A.P.

To Find,

• Find X

Solution,

$: \implies X = \frac{6 + 8}{2} \\ \\ : \implies X = \frac{14}{2} \\ \\ : \implies X = 7$

Required Answer,

X = 7

Answer 2

Answer:

Step-by-step explanation:

T₁= a = 6

T₂= a+d = x

T₃ = a+2d = 8

T₃ - T₂ = 8-6

⇒a+2d -a = 2

⇒ 2d = 2

⇒d = 2/2= 1

a+d = x

6+1 = x

x = 7