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2. Polynomials
easy
Which of the following expressions are polynomials in one variable and which are not ? State reasons for your answer. $y^{2}+\sqrt{2}$
Option A
Option B
Option C
Option D
Solution
$y ^{2}+\sqrt{2}$
$\Rightarrow y ^{2}+\sqrt{2} y ^{0}$
$\because$ All the exponents of $y$ are whole numbers.
$\therefore $ $y ^{2}+\sqrt{2}$ is a polynomial in one variable.
Standard 9
Mathematics
