Write the coefficient of $x^{2}$ in the following polynomials
$\pi x^{2}-\frac{22}{7} x+3.14$
In the polynomial $\pi x^{2}-\frac{22}{7} x+3.14,$ the coefficient of $x^{2}$ is $\pi$.
Evaluate
$(98)^{2}$
Find the value of $a$, if $x-a$ is a factor of $x^{3}-a x^{2}+2 x+a-1$.
Degree of the polynomial $4 x^{4}+0 x^{3}+0 x^{5}+5 x+7$ is
Classify the following as linear, quadratic or cubic polynomial
$5 t+3$
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
$x^{2}+2 x y+y^{2}$
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