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  1. If a and b are two distinct natural numbers, which one of the following is true ?
    1. a + b > √a + √ b
    2. a + b = √a + √ b
    3. a + b < √a + √ b
    4. ab = 1
Correct Option: C

(√a + b)2 = a + b
(√a + √b)2 = a + b + 2√ab
Here, a + b < a + b + 2√ab
Clearly, √a + b < √a + √b



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