$A$ tower of $x$ meters high has a flagstaff at its top. The tower and the flagstaff subtend equal angles at a point distant $y$ meters from the foot of the tower then the length of the flagstaff in meters is

\frac{y ( x ^{2} - y ^{2} )}{x ^{2} + y ^{2}}

\frac{x ( y ^{2} + x ^{2} )}{y ^{2} - x ^{2}}

\frac{x ( x ^{2} + y ^{2} )}{x ^{2} - y ^{2}}

\frac{x ( x ^{2} - y ^{2} )}{x ^{2} + y ^{2}}

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A

tower of

x

meters high has a flagstaff at its top. The tower and the flagstaff subtend equal angles at a point distant

y

meters from the foot of the tower then the length of the flagstaff in meters is

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Question Text

A

tower of

x

meters high has a flagstaff at its top. The tower and the flagstaff subtend equal angles at a point distant

y

meters from the foot of the tower then the length of the flagstaff in meters is

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