Question

this question related to sured.
can you help me how to solve it?​

Answer 1

Answer:

6 - √35

Step-by-step explanation:

(√7 - √5)/( √7 + √5)

= ( √7 - √5)( √7 + √5)/( √7 - √5)(√7+√5)

= (√7 - √5)²/( √7² - √5²)

= ( 7 + 5 - 2√7.√5)/( 7 - 5)

= ( 12 - 2√35)/2

= 6 - √35

Hope it helps!

Answer 2

Answer:

4.036

Step-by-step explanation:

√of 7+√of5/√of7-√of5=4.036.........