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Find the distance bw (h,k) where …

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Find the distance bw (h,k) where for x axis

Posted by Shaikh Muhammad Amin 6 years, 4 months ago

Sia ? 6 years, 4 months ago

The distance of the point (h, k) from x-axis i.e. distance between (h,k) and (x,0) is

{tex}Distance=\sqrt{(x-h)^2 +(0-k)^2}{/tex} [By using distance formula]

{tex}\Rightarrow Distance=\sqrt{x^2+h^2-2xh+k^2}{/tex}

{tex}\Rightarrow Distance=\sqrt{x^2+h^2+k^2-2xh}{/tex}

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