Expand
$\left(\frac{2 x}{3}+\frac{4 y}{5}\right)\left(\frac{2 x}{3}-\frac{4 y}{5}\right)$
$\frac{4}{9} x^{2}-\frac{16}{25} y^{2}$
Zero of the zero polynomial is
Which of the following expressions are polynomials in one variable and which are not $?$ State reason for your answer. If the given expression is a polynomial, state whether it is a polynomial in one variable or not
$x^{2}-8 x+15$
The following expressions are polynomials? Justify your answer:
$8$
The coefficient of $x$ in the expansion of $(x+3)^{3}$ is
By using the factor theorem, show that $(x+2)$ is a factor of the polynomial $6 x^{3}+19 x^{2}+16 x+4$ and then factorise $6 x^{3}+19 x^{2}+16 x+4$
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