JEE Math Practice Question
If $$a,\,b,\,c$$ are distinct $$ + ve$$ real numbers and $${a^2} + {b^2} + {c^2} = 1$$ then $$ab + bc + ca$$ is
- A.less than 1
- B.equal to 1
- C.greater than 1
- D.any real no.
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