Question
If the line x + y = 0 is tangent to the circle (x – λ)2 + (y – β)2 = 50, then (λ + β)2 =
Answer :
Correct answer is : 100
| λ + β 2 | = 50
| λ + β | = 100
( λ + β ) 2 = 100
chemistry
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