Pertanyaan

Akar-akar persamaan kuadrat akan saling berkebalikan untuk nilai k sama dengan...

-3
-1
1
2

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

Klaim

F. Pratama

Master Teacher

Mahasiswa/Alumni Universitas Putra Indonesia YPTK Padang

Jawaban terverifikasi

Pembahasan

$begin mathsize 12px style 2 x squared minus 5 x plus open parentheses k plus 1 close parentheses equals 0 space identical to a x squared plus b x plus c equals 0 C a r a space 1 space M i s a l k a n space a k a r minus a k a r space d a r i space p e r s a m a a n space k u a d r a t t e r s e b u t space a d a l a h space p space d a n space 1 over p open parentheses x minus p close parentheses open parentheses x minus 1 over p close parentheses equals 0 identical to 2 x squared minus 5 x plus open parentheses k plus 1 close parentheses equals 0 x squared minus 1 over p x minus p x plus 1 equals 0 identical to 2 x squared minus 5 x plus open parentheses k plus 1 close parentheses equals 0 x squared minus open parentheses 1 over p plus p close parentheses x plus 1 equals 0 identical to 2 x squared minus 5 x plus open parentheses k plus 1 close parentheses equals 0 x squared minus open parentheses fraction numerator p squared plus 1 over denominator p end fraction close parentheses x plus 1 equals 0 identical to 2 x squared minus 5 x plus open parentheses k plus 1 close parentheses equals 0 p x squared minus left parenthesis p squared plus 1 right parenthesis x plus p equals 0 identical to 2 x squared minus 5 x plus open parentheses k plus 1 close parentheses equals 0 D a r i space b e n t u k space d i space a t a s space d i p e r o l e h space b a h w a space p equals 2 space S e h i n g g a space p equals k plus 1 space left right arrow space 2 equals k plus 1 space left right arrow space k equals 1 end style$