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If a^2+b^2+c^2=1, find the maximum and minimum value of ab+bc+ca.

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IQ MATH, SCIENCE & LOGICAL REASONING

4 years ago

If a^2+b^2+c^2=1, find the maximum and minimum value of ab+bc+ca.

If a^2+b^2+c^2=1, find the maximum and minimum value of ab+bc+ca.

If a^2+2b^2-2ab=2025 and 2bc-c^2=2025, find a+b+c.
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