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ID#6954 HSC Higher Math 1st MCQ (Comilla 2023)

কোন শর্তে y = mx + c সরলরেখাটি $x^2 + y^2 = r^2$ বৃত্তকে স্পর্শ করবে?
ক) $r^2 = m^2 + c^2$
খ) $c^2 = r^2 (1 + m^2)$
গ) $m^2r^2 = r^2 - c^2$
ঘ) $c^2 + r^2 = m^2$
Resource Details
Exam HSC
Subject Higher Math 1st paper
Chapter 4
Board Comilla
Year 2023

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