<span>4<span>y2</span>+<span>x2</span>−4xy+<span>|<span>x+y−3</span>|</span>=0</span>
А)3а-4ах+2-11а+14ах= -8а+10ах+2=10ах-8а+2
б)3у6+3у2=6у8
Ответ:а)
Объяснение:x²-2x=y
y²-11y+24=0
D=121-4·24=121-96=25=5²
y1=(11+5)/2=8, y2=(11-5)/2=3
1)x²-2x=8
x²-2x-8=0, D1=1+8=9=3²
x1=4, x2=-2
2)x²-2x=3
x²-2x-3=0,D1=1+3=4=2²
x1=3,x2=-1.
ответ.-2;-1;3;4.
3)2¹⁵ / 2¹² = 2³ = 8
4) 3⁻¹⁶ / 3⁻¹²= 3⁻⁴= 1/81
5)5⁻¹⁵ / 5⁻¹² = 5⁻³ =1/125