Y^4(0,16y^2-1)=y^4(0,4y-1)(0,4y+1)
(8(m-n)+3(3m-n)/(6(m-n)^2
=(m-n)(8+3))/6(m-n)^2=
11/(6(m-n)
2х^2-2,4х+7,2=2х^2+1,2х
2х^2-2,4х+7,2-2х^2-1,2х=0
-3,6х+7,2=0
-3,6х= -7,2
х=2
5x-6-(10x-4y+7) *10=5x-6-(100x-40y+70) =5x-6-100x+40y-70=-95x-6+40y-70=-95x-76+40y
<span>Sin(-4п/5) >Sin(-4п/9)</span>
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