Jawapan

  • Pengguna Brainly
2016-02-21T23:21:21+08:00
 x^2-2x+2-p=0
a = 1 , b = - 2 , c = 2-p
b^2 - 4ac > 0
4 - 4(1)(2-p) > 0
4 - 8 + 4p > 0
4p > 4
p > 1

p > 1 is prove !
2 5 2
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