Nilai darix→3lim​x​−3​x2−7x+12​  adalah ....

Pertanyaan

Nilai daribegin mathsize 14px style limit as x rightwards arrow 3 of invisible function application fraction numerator x squared minus 7 x plus 12 over denominator square root of x minus square root of 3 end fraction end style  adalah ....

  1. begin mathsize 14px style negative square root of 3 end style 

  2. begin mathsize 14px style negative 2 square root of 3 end style 

  3. begin mathsize 14px style negative 7 square root of 3 end style 

  4. begin mathsize 14px style negative 14 square root of 3 end style 

  5. tidak ada

R. Bella

Master Teacher

Mahasiswa/Alumni UIN Syarif Hidayatullah Jakarta

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah B.

Pembahasan

Perhatikan bahwa perhitungan berikut ini!

limit as x rightwards arrow 3 of invisible function application fraction numerator x squared minus 7 x plus 12 over denominator square root of x minus square root of 3 end fraction equals limit as x rightwards arrow 3 of invisible function application open parentheses fraction numerator x squared minus 7 x plus 12 over denominator square root of x minus square root of 3 end fraction times fraction numerator square root of x plus square root of 3 over denominator square root of x plus square root of 3 end fraction close parentheses equals limit as x rightwards arrow 3 of invisible function application fraction numerator open parentheses x squared minus 7 x plus 12 close parentheses open parentheses square root of x plus square root of 3 close parentheses over denominator x minus 3 end fraction equals limit as x rightwards arrow 3 of invisible function application fraction numerator open parentheses x minus 3 close parentheses open parentheses x minus 4 close parentheses open parentheses square root of x plus square root of 3 close parentheses over denominator x minus 3 end fraction equals limit as x rightwards arrow 3 of invisible function application open parentheses open parentheses x minus 4 close parentheses open parentheses square root of x plus square root of 3 close parentheses close parentheses equals open parentheses 3 minus 4 close parentheses open parentheses square root of 3 plus square root of 3 close parentheses equals open parentheses negative 1 close parentheses open parentheses 2 square root of 3 close parentheses equals negative 2 square root of 3 

Jadi, jawaban yang tepat adalah B.

24

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Salma aulia

Makasih ❤️ Bantu banget

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Didefinisikan fungsi f(x) sebagai berikut.   Nilai dari  adalah ....

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