Question

Rezolvati inecuatiile: X la puterea 2- 6x+8>0

Answer 1

Răspuns:

$x^{2} -6x+8=0\\a=1\\b=-6\\c=8\\d=36-4*8=36-32=4\\d=\\\sqrt{4} =2\\x1=8/2=4\\x2=4/2=2\\x apartine (-,infinit,2( reunit (4,+infinit(\\\\PS. NU PREA IMI MERGE TASTATURA.$

Explicație pas cu pas:

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