RRB 2008 Kolkata

Question 30

When polynomial $$x^{4}-3x^{2}+2x+5$$ is divided by (x-1), the remainder is

Solution

$$f(x)=x^{4}-3x^{3}+2x +5$$

to find the remainder put x=1 in $$f(x)$$

$$f(1)$$=1-3+2+5=5

∴5 is the remainder

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