Roboguru

Tentukan nilai:

Pertanyaan

Tentukan nilai:  limit as straight x rightwards arrow 9 of fraction numerator straight x squared minus 7 straight x minus 18 over denominator square root of straight x minus 3 end fraction equals....  

Pembahasan Soal:

Menentukan nilai limit dengan metode perkalian sekawan:

table attributes columnalign right center left columnspacing 0px end attributes row cell limit as straight x rightwards arrow 9 of fraction numerator straight x squared minus 7 straight x minus 18 over denominator square root of straight x minus 3 end fraction end cell equals cell limit as straight x rightwards arrow 9 of fraction numerator straight x squared minus 7 straight x minus 18 over denominator left parenthesis square root of straight x minus 3 right parenthesis end fraction times fraction numerator left parenthesis square root of straight x plus 3 right parenthesis over denominator left parenthesis square root of straight x plus 3 right parenthesis end fraction end cell row blank equals cell limit as straight x rightwards arrow 9 of fraction numerator up diagonal strike left parenthesis straight x minus 9 right parenthesis end strike left parenthesis straight x plus 2 right parenthesis left parenthesis square root of straight x plus 3 right parenthesis over denominator up diagonal strike left parenthesis straight x minus 9 right parenthesis end strike end fraction end cell row blank equals cell limit as straight x rightwards arrow 9 of left parenthesis straight x plus 2 right parenthesis left parenthesis square root of straight x plus 3 right parenthesis end cell row blank equals cell left parenthesis 9 plus 2 right parenthesis left parenthesis square root of 9 plus 3 right parenthesis end cell row blank equals cell 11 left parenthesis 6 right parenthesis end cell row blank equals 66 end table 

Jadii, nilai limit as straight x rightwards arrow 9 of fraction numerator straight x squared minus 7 straight x minus 18 over denominator square root of straight x minus 3 end fraction equals 66 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 20 Mei 2021

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