Question
If (m + n + o) = 16 and (mn + no + om) = 80, then find the
value of (m² + n² + o²).Solution
ATQ,
As we know,
(m + n + o)² = m² + n² + o² + 2(mn + no + om)
Or, (16)² = m² + n² + o² + 2 × (80)
So, m² + n² + o² = 256 – 160 = 96
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