Question

If the distance between the

points (x, -1) and (3, 2) is 5, thenthe

value of x is:​

Answer 1

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Step-by-step explanation:

distance=√(3-x)^2+(2+1)^2

or,5 =√9-x^2+9

or,5 =√18-x^2

squaring both sides,

(5)^2=(√18-x^2)^2

or,25=18-x^2

or,25-18=x^2

ans X=√7