" (v) "3+2sqrt(5)

Find the square of : (i) (3sqrt(5))/5" (ii) "3+2sqrt(5)

Prove that the following are irrational. (v) 3+2sqrt5

Rationalise the denominator of each of the following (i) 3/(sqrt(5)) (ii) 3/(2sqrt(5))

" 3." (2+sqrt(5))(2+sqrt(5)) " is: "

Prove that 3 +2sqrt(5) is irrational.

prove that (1)/(3-2sqrt(5)) is an irrational number.

Find duplicate ratio of: (i) 3 : 4 (ii) 3sqrt(3) : 2sqrt(5)

Simplify: (i) (7+3\ sqrt(5))/(3+\ sqrt(5))-(7-3\ sqrt(5))/(3-\ sqrt(5)) (ii) 1/(2+sqrt(3)\ )+2/(sqrt(5)-\ sqrt(3))+1/(2-\ sqrt(5))

What is the number of terms in the expansion of (3 + 2 sqrt(5) )^(18) - (3-2 sqrt(5) )^(18)

Find the square of : 3+2sqrt(5)