December 2019 1 20 Report
Tolong.. ini bahan untuk ulangan... kurang ngerti.


1. Jika lim x => 1. \frac{a\sqrt{x+3} -b}{x-1} =1, nilai \frac{b}{a} =...

A. 4 B. 2 C. 1 D. \frac{1}{2\\} E. \frac{1}{4\\}


2. lim x => -2. \frac{\sqrt{2x+13}-\sqrt{x+11} }{x+2}


3. lim x => 7. \frac{(x^{2} -49)(x-\sqrt{7x}) }{\sqrt{x} -\sqrt{7} }

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