Question
Tangents are drawn to the circles $x^{2}+y^{2}=a^{2}$ and $x^{2}+y^{2}=b^{2}$ at right angles to one another. The locus of their point of intersection is(a) $x+y=a$(b) $x^{2}+y^{2}=a^{2}+b^{2}$(c) $a x+b y=1$(d) $x^{2}+y^{2}+a b=0$
Step 1
The first circle has a radius of $a$ and the second circle has a radius of $b$ where $b > a$. Show more…
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