Question

Select the expression that is equivalent to (2x^2 +5)-5/2

Answer 1

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

Let's solve :

• ${(2 {x}^{2} + 5) }^{ - \frac{5}{2} }$

• $\dfrac{1}{{(2 {x}^{2} + 5) }^{ \frac{5}{2} } }$

• $\dfrac{1}{ \sqrt{( 2{x}^{2} + 5) {}^{5} } }$

therefore, the correct choice is :

• A