Given that a and b are real numbers and a=b+1,find the largest value of x that satisfies the inequality given below. [ (a)^1/2 -(b)^1/2 ] ^ { 1- (x)^(-1/2) } >= [ (a)^1/2 + (b)^1/2 ] ^ { (x)1/2+1 } ( x /=(not equal to) 0 ) note:- (sry frnds this has been mistakenly put into this section,otherwise its a ques of algebra)

1) 3 + 2*(2)^1/2
2) 3*(2)^1/2 -1
3) 3 - 2*(2)^1/2
4) 3*(2)^1/2 + 1
5) none of these