Question

If $\frac{-2}{7}$, $x$,$\frac{-7}{2}$ are in GP, then the value of x is:

• A. $\frac{2}{7}$
• B. $\frac{7}{2}$
• C. $0$
• D. $1$

Answer 1

The correct option is D $1$

$x\times \frac{-7}{2}=-\frac{7}{2}\times \frac{1}{x}$
$or{x}^2=1orx=1$