Question

cho f(x) 2x⁴+5x³-x+8

      g(x)=x⁴-x²-3x+9

tìm h(x) sao cho

a)f(x)-h(x)=g(x)

b)h(x)-g(x)=f(x)

Answer 1

a, \(h\left(x\right)=2x^4+5x^3-x+8-x^4+x^2+3x-9=x^4+5x^3+x^2+2x-1\)

b, \(h\left(x\right)=2x^4+5x^3-x+8+x^4+x^2+3x-9=3x^4+5x^3+x^2+2x-1\)