Razonamiento Matematico: tarea 1

$\bg_white \fn_cs x(y+z+w)\ distributiva\\ xy+xz+xw \ reacomodo\\ xw+xy$

$\bg_white \fn_cs (a+b)(b+c) \ mosquetero \\ac+ad+bc+cd \ reacomodo \\ ac+bc+ad+cd$

$\bg_white \fn_cs (7x-3y)^2 = (7x-3y)(7x-3y)\ mosquetero \\ 49x^2+(-7x3y)+(-3y7x)+(-9y^2)\ inverso\ aditivo\\ 49x^2-14x6y-9y^2$

$\bg_white \fn_cs 5(3x-y)+5(x+5y)-4(2x+y) \ mosquetero \\ 15x-5y+5x+25y-8x+4y \ reacomodo \\ 15x+5x-8x-5y+25y+4y \ inverso\ aditivo \\12x-24y$

$\bg_white \fn_cs (7a-2b)(a^2-5ab+2b^2)\ mosquetero \\ 7a^3 +(-35a^2b)+14ab^2+(-2a^2b)+10ab^2+(-4b^2)\ reacomodo\\ 7a^3-35a^2b-2a^2b+14ab^2+10ab^2-4b^3 \ inverso \ aditivo \\ 7a^3 -37a^2b+24a^2b-4b^3$

$\bg_white \fn_cs (m^2-m(4M+2n)+n(5-n(m+1))-(7m^2+mn-3n^2)) \ mosquetero \\ m^2-4m$^2+2mn+5n-mn^2-n^2-7m^2+mn-3n^2 \ reacomodo \\ 3m^2-7m^2+2mn+mn-mn^2+5n-n^2-3n^2 \ inverso \ aditivo \\ -4m^2+3mn-mn^2+5n-4n^2$

Razonamiento Matematico

domingo, 25 de septiembre de 2011

tarea 1

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