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Pembilang => x + x^1/2 + 1
Penyebut => 2x + 1
(a1x^m + a2x^m-1 + a3) / (b1x^n + b2x^n-1 + b3)
(x + x^1/2 + 1) / (2x + 1)
(m=n) , (a1/b1)
lim tak hingga = 1/2
5) lim tak hingga -> (√(x²+x+1) - √(2x² + 1)) / ( x + 1 + √(2x² + 4))
√(x²+x+1) - √(2x² + 1) = (x + √x + 1) - ( x√2 + 1 ) = (1-√2)x + √x
x + 1 + √(2x² + 4) = x + 1 + x√2 + 4 = (1+√2)x + 5
(m = n) , (a1/b1)
limit = (1-√2)/(1+√2) = 2√2 -3