Question

✓(✓2+1)/(✓2-1)
??
plz help​

Answer 1

Answer:

✓2+1)

Step-by-step explanation:

✓(✓2+1)/(✓2-1)

on multiply with ✓2+1 on top and bottom ==>

=✓(✓2+1)/(✓2-1) *((✓2+1)/(✓2+1))

using formula (a+b)(a-b) = a^2 - b^2 ==> ( (✓2-1)*(✓2+1) = 2-1 )

=✓(✓2+1)^2 /(2-1)  

=✓2+1