Question

why isn't y² + √2 a polynomial​

Answer 1

y² + √2 a polynomial​ and is called as one variable polynomial, as the only coefficient of y² is present.

• We know that a polynomial is the sum of the multiplications of coefficients and variables and can be expressed as
• a₀ yⁿ + a₁ yⁿ⁻¹ + . . . + a_n
• where a₀, a₁, . . . , a_n are real coefficients
• From given, we have, y² + √2 and can be expressed as,
• 1(y²) + 0 (y) + √2
• and this is in the form of a polynomial as mentioned above.
• Therefore, the given expression is a polynomial