Question

Find the value of $P$, if $x,,2x+p$ and $3x+6$ are in A.P.

Answer 1

$x,2x+p,3x+6\Rightarrow$ are in AP

If $a,b,c$ are in A.P then $2\left(b\right)=a+c$

$2(2x+p)=x+3x+6$

$4x+2p=4x+6$

$2p=6$

$p=3$