Найдите значение многочлена. a) -15a-b-2+14a при a=-29, b=-2 б) m^4-3m^3n+m^2n^2-m^3n-4mn^3 при m=-1, n= 1. Created by sakamachi2017. algebra-ru

Найдите значение многочлена. a) -15a-b-2+14a при a=-29, b=-2 б) m^4-3m^3n+m^2n^2...

sakamachi2017 @sakamachi2017

August 2022 1 2 Report

Найдите значение многочлена. a) -15a-b-2+14a при a=-29, b=-2 б) m^4-3m^3n+m^2n^2-m^3n-4mn^3 при m=-1, n= 1

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гюйс

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- 15a - b -2+14a= - a - b -2
при а= -29, b= -2
-( -29) - (-2)-2=29+2-2=29

m^4 -3m³n +m²n² -m³n -4mn³ =m^4 - 4m³n +m²n² - 4mn³=m³(m -4n)+mn²(m -4n)=(m³+mn²)(m-4n)=m(m²+n²)(m-4n)
при m= -1, n=1
-((-1)² +1²)(-1-4)= - 2*(-5)=10

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