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Nilai dari ∫ x ln x ​ ​ dx adalah...

Nilai dari  adalah...
 

  1. begin mathsize 14px style 2 over 3 left parenthesis ln invisible function application straight x right parenthesis square root of ln invisible function application straight x end root plus straight C end style

  2. begin mathsize 14px style left parenthesis ln invisible function application straight x right parenthesis square root of ln invisible function application straight x end root plus straight C end style

  3. begin mathsize 14px style 2 over 3 square root of ln invisible function application straight x end root plus straight C end style

  4. begin mathsize 14px style 1 half open parentheses ln invisible function application straight x close parentheses plus straight C end style

  5. begin mathsize 14px style square root of ln invisible function application straight x end root plus straight C end style

     

     

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N. Mustikowati

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

Gunakan integral subtitusi misalkan Maka bentuk pada soal menjadi

Gunakan integral subtitusi misalkan begin mathsize 14px style straight u equals ln invisible function application straight x rightwards double arrow du over dx equals 1 over straight x comma space maka space dx equals straight x straight space du end style

Maka bentuk pada soal menjadi

begin mathsize 14px style integral fraction numerator square root of straight u over denominator straight x end fraction straight x straight space du integral straight u to the power of 1 half end exponent straight space du equals 2 over 3 straight u to the power of 3 over 2 end exponent plus straight C space space space space space space space space space space space space equals 2 over 3 straight u square root of straight u plus straight C space space space space space space space space space space space space equals 2 over 3 left parenthesis ln invisible function application straight x right parenthesis square root of ln invisible function application straight x end root plus straight C end style

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