Math, asked by naragamkanakadurga, 3 months ago

If A = (1, 1) P=(x, y) such that the slope of AP is 1 and AP = V2. then (x, y) =
a)(-1,-1)
b) (2, 2)
c) (1, -1)
d) (-1,1)
want solution fast​

Answers

Answered by MaheswariS
8

\textbf{Given:}

\textsf{A(1,1) and P(x,y) and}

\textsf{Slope of AP = 1}\;\mathsf{and\;AP=\sqrt{2}}

\textbf{To find:}

\textsf{(x,y)}

\textbf{Solution:}

\textsf{Consider,}

\textsf{Slope of AP=1}

\mathsf{\dfrac{y_2-y_1}{x_2-x_1}=1}

\mathsf{\dfrac{y-1}{x-1}=1}

\mathsf{x-1=y-1}

\mathsf{x=y}

\mathsf{}

\mathsf{AP=\sqrt{2}}

\mathsf{\sqrt{(1-x)^2+(1-y)^2}=\sqrt{2}}

\textsf{Put x=y}

\mathsf{\sqrt{(1-x)^2+(1-x)^2}=\sqrt{2}}

\mathsf{\sqrt{2\,(1-x)^2}=\sqrt{2}}

\mathsf{2\,(1-x)^2=2}

\mathsf{(1-x)^2=1}

\mathsf{1-x=\pm\,1}

\mathsf{when\;1-x=1\;\implies\,x=0}

\mathsf{when\;1-x=-1\;\implies\,x=2}

\mathsf{But\;x=y\;\implies\;y=2}

\therefore\mathsf{P\;is\;(2,2)}

\textbf{Answer:}

\mathsf{Option\;(b)\;is\;correct}

Answered by telaprolupraneeth
1

Answer:

P(x, y)=(2,2) is

the

correct

answer.

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