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Consider a Delta ABC and let a,b, and c ...

Consider a `Delta ABC` and let a,b, and c denote the leghts of the sides opposite to vertices A,B and C, respectively. Suppose `a=2,b =3, c=4` and H be the orthocentre. Find `15(HA)^(2).`

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The correct Answer is:
Hence, `15(AH) ^(2) =196.`
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