Wyznacz wielomian h(x) = 3f(x) - 4g(x). Oblicz h(-1).a)f(x) = -2x^6 + 4x^3 - 8x + 5 ; g(x)= x^6

November 2018 1 163 Report

Wyznacz wielomian h(x) = 3f(x) - 4g(x). Oblicz h(-1).
a)f(x) = -2x^6 + 4x^3 - 8x + 5 ; g(x)= x^6 - 2x^4 + 3x^3 - 6x + 2

Mógłby mi ktoś jeszcze wytłumaczyć jak to obliczyć??

Epis $h(x) = 3(-2x^{6} + 4x^{3} - 8x + 5) - 4(x^{6} - 2x^{4} + 3x^{3} - 6x+2) = = -6x^{6} + 12x^{3} - 24x + 15 - 4x^{6} + 8x^{4} - 12x^{3} +24x-8 = -10x^{6} + 8x^{4} + 7$
$h(-1) = -10*(-1)^{6} + 8*(-1)^{4} + 7 = -10 + 8 + 7 = 5$

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OLBICZ WSPÓŁCZYNNIK a, b WIELOMIANU w, jeśli:a) w(x)= -3x^3 + ax^2 + bx+ 2 , w(-1)= 4 w(2)= 20

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OLBICZ WSPÓŁCZYNNIK a, b WIELOMIANU w, jeśli:a) w(x)= -3x^3 + ax^2 + bx+ 2 , w(-1)= 4 w(2)= 20

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