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Pertanyaan

Persamaan kuadrat a x squared minus 2 left parenthesis a minus 1 right parenthesis x plus a equals 0 mempunyai dua akar real yang berbeda apabila .....

  1. a not equal to 1

  2. a greater than 1 half

  3. a greater or equal than 1 half

  4. a less than 1 half

  5. a less or equal than 1 half

R. RGFLSATU

Master Teacher

Jawaban terverifikasi

Pembahasan

Persamaan kuadrat a x squared minus 2 left parenthesis a minus 1 right parenthesis x plus a equals 0, dimana syarat akar real

b squared minus 4 a c greater than 0  4 left parenthesis a 1 right parenthesis squared 4. a. a greater than 0  4 a squared 8 a plus 4 minus 4 a squared greater than 0  8 a plus 4 greater than 0  8 a greater than 4  a less than 1 half

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