Question

find the distance between the following points A(a,0)and(1,3)​

Answer 1

Hello ,

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$\sqrt{( {x2 - x1)}^{2} + {(y2 - y1)}^{2} } \\ \sqrt{ {( 1 - a )}^{2} } + {(3 - 0)}^{2} \\ \sqrt{1 + {a}^{2} - 2a \: + 9} \\ \sqrt{10 + {a}^{2} - 2a}$

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