Revision history of "1971 AHSME Problems/Problem 19"

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  • (cur | prev) 20:01, 28 January 2021Coolmath34 (talk | contribs). . (876 bytes) (+876). . (Created page with "== Problem == If the line <math>y=mx+1</math> intersects the ellipse <math>x^2+4y^2=1</math> exactly once, then the value of <math>m^2</math> is <math>\textbf{(A) }\textstyl...")