If a, b, c are distinct +ve real numbers and a2 + b2 + c2 = 1 then ab + bc + ca is


If $a, b, c$ are distinct +ve real numbers and $a^{2}+b^{2}+c^{2}=1$ then $a b+b c+c a$ is

  1. less than 1

  2. equal to 1

  3. greater than 1

  4. any real no.

Correct Option: 1

JEE Main Previous Year 1 Question of JEE Main from Mathematics Trigonometric Equations and Inequations chapter.
JEE Main Previous Year 2002


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