Which of following expressions are polynomials in one variable and which are not ? State reasons for

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2. Polynomials

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Which of the following expressions are polynomials in one variable and which are not ? State reasons for your answer. $x^{10}+y^{3}+t^{50}$

Option A

Option B

Option C

Option D

Solution

$x^{10}+y^{3}+t^{50}$

$\because$ Exponent of every variable is a whole number,

$x^{10}+y^{3}+t^{50}$ is a polynomial in $x$, $y$ and $t,$ ise. in three variables.

Standard 9

Mathematics

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