Question

if the points p(5,3) and Q ( k,4) are on a circle with center O(2,-1) find 5he value of k​

Answer 1

Answer: k=2

Step by step explanation:

OP=OQ (radius)

OP^2=OQ^2

Thus by solving we get the quadratic eqn k^2-4k+4=0

By using quadratic equation we get k=2

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