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x->0
kalikan sekawannya maka didapat:
lim x²(1 + √(1 + x²)) / (1 - (1 - x²))
x->0
= lim (1 + √(1 + x²))
x->0
= 1 + √1
= 2
X^2(1+√1+x^2)/1-1+x^2
x^2(1+√1+x^2)/x^2
x^2 dicoret. Jadi,
1+√1+X^2
1+√1+0^2= 1+√1= 2