Math, asked by ishanisaha0023, 10 months ago

If f(x)=8x^3+27 has a factor( 4x^2-6x+9) then its linear factor is

Answers

Answered by MaheswariS
6

\textbf{Given:}

f(x)=8x^3+27

\textbf{To find:}

\text{The linear factor of f(x)}

\textbf{Solution:}

\text{Consider,}

f(x)=8x^3+27

f(x)=(2x)^3+3^3

\text{Using the identity,}

\boxed{\bf\,a^3+b^3=(a+b)(a^2-ab+b^2)}

\text{We can factorize f(x) as}

f(x)=(2x+3)((2x)^2-(2x)(3)+3^2)

\bf\,f(x)=(2x+3)(4x^2-6x+9)

\therefore\textbf{The linear factor of $\bf\,f(x)$ is $\bf\,2x+3$}

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