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The equation of the tangent to the circl...

The equation of the tangent to the circle `x^2+y^2=a^2,` which makes a triangle of area `a^2` with the coordinate axes, is (a) `x+-y=asqrt(2)` (b) `x+-y=+-asqrt(2)` (c) `x+-y=2a` (d) `x+y=+-2a`

A

`y =x +- a sqrt(2)`

B

`y = - x+-a `

C

`y =x +- a `

D

`y = x+- (a)/( sqrt(2))`

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The correct Answer is:
A
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