Во, готово......................................
1. у=0, у = 1, у=1.5
2. х=4, х=6.5, х=16
3.1 и 3
4. х (+ бесконечность )
<span>1)(а+b)^2+(a-b)^2 при а=-2,b=2
(-2+2)^2+-(2-2)^2=0^2+(-4)^2=0+16=16
</span><span>2)(x+y)^2-(x-y)^2 при х=0,5,у=-0,5
(0.5+(-0.5))^2-(0.5-(-0.5))^2=0^2-1^2=</span>0-1=-1
<span>3)(а+0,5b)^2-(0,5a+b)^2 при а=3,b=-2
</span>(3-0.5*2)²-(0.5*3-2)²=4- (-0.5)²=4-0.25=3.75
<span>4)(0,75x-0,25y)^2-(0,25x+0,75y)^2 при х=16,у=-16
</span>(12-(-4))²-(-12+4)²=16²-(-8)²=(16--8)(16-8)=24*8=192
20+53-1+0+8-15 dhdhdhzhzhzhdhshsh