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Hitunglah nilai dari  ...?

Pertanyaan

Hitunglah nilai dari begin mathsize 14px style limit as x rightwards arrow 3 of open parentheses fraction numerator x squared plus 4 x minus 21 over denominator x minus 3 end fraction close parentheses equals end style ...?

Pembahasan Soal:

Diketahui:

begin mathsize 14px style limit as x rightwards arrow 3 of open parentheses fraction numerator x squared plus 4 x minus 21 over denominator x minus 3 end fraction close parentheses end style 

Sehingga didapat:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow thin space 3 of open parentheses fraction numerator x squared plus 4 x minus 21 over denominator x minus 3 end fraction close parentheses end cell equals cell limit as x rightwards arrow thin space 3 of open parentheses fraction numerator left parenthesis x plus 7 right parenthesis left parenthesis x minus 3 right parenthesis over denominator x minus 3 end fraction close parentheses end cell row blank equals cell limit as x rightwards arrow thin space 3 of open parentheses x plus 7 close parentheses end cell row blank equals cell 3 plus 7 end cell row blank equals 10 end table end style 

Jadi, nilai dari begin mathsize 14px style limit as x rightwards arrow 3 of open parentheses fraction numerator x squared plus 4 x minus 21 over denominator x minus 3 end fraction close parentheses end style adalah 10.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 15 Maret 2021

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