nilai lim x-7 2x^2-8x-42/x^2-10x+21
Matematika
D2ilan6unyureva
Pertanyaan
nilai lim x-7 2x^2-8x-42/x^2-10x+21
1 Jawaban
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1. Jawaban puput287311
(2x²-8x-42)/(x²-10x+21)
(2•2x²-8)/(2x-10)
(4x²-8)/(2x-10)
Lim x->7 (4(7²)-8)/(2(7)-10)
x->7 (4(49)-8)/(14-10)
x->7 (196-8)/(14-10)
x->7 188/4
x->7 47