Gujarati
10-1.Circle and System of Circles
medium

यदि रेखा $y = \sqrt 3 x + k$ वृत्त ${x^2} + {y^2} = 16$ को स्पर्श करती हो, तो $k =$

A

$0$

B

$2$

C

$4$

D

$8$

Solution

(d) $k =  \pm 4\sqrt {1 + 3}  =  \pm 8$.

Standard 11
Mathematics

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