Respuesta :

DjJada
It is 

[tex] \frac{(2a+1) ^{2} }{50a} [/tex]

The equivalent of the given fraction expression is; (2a + 1)²/50a

What is the equivalent fraction?

We want to find the equivalent expression of;

(2a + 1)/(10a - 5) ÷ (10a/(4a² - 1))

This can be reduced to;

(2a + 1)/5(2a - 1) ÷ (10a/(2a + 1)(2a - 1))

⇒ (2a + 1)/5(2a - 1) × ((2a + 1)(2a - 1))/(10a)

⇒ (2a + 1)²/50a

In conclusion the equivalent of the given fraction expression is  (2a + 1)²/50a

Read more about fractions at; https://brainly.com/question/1622425