In a right angled \\DeltaA B C, \\angleC=90^\circ and C D is perpendicular to A B. If A B \\timesC D=C A \\timesC B, then {1}/{C D^{2}} is equal to

{1}/{B C^{2}}-{1}/{C A^{2}}, if C A > C B

CDS Model Paper 3 Mathematics

Question : 67 of 100

Marks: +1, -0

In a right angled ΔABC,∠C=90° and CD is perpendicular to AB. If AB×CD=CA×CB, then

CD2

is equal to

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