<span>(m+n)-(n+p)-(m+p)=m+n-n-p-m-p=-2p=-2*4=-8
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1) y'=10x^4-3cosx
2)y''=40x^3+3sinx
3)y'''=120x^2+3cosx
Ответ:
Объяснение:
-2sin(x+y)/2sin(x-y)/2=-√2
sin(x+y)/2*sinП/4=√2/2
sin(x+y)/2=1
(x+y)/2=П/2+2пk x+y=П+4Пk
x-y=п/2 x-y=П/2
2x=3П/2+4Пk
x=3П/4+2Пk
y=x-п/2=П/4+2Пk