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7. Which one is not a polynomial:a. 4x² + 2x - 1b. Y+3/yc. x3 – 1d. y2 + 5y + 1​

Answer»

Answer:

b. y+y/3 is not a polynomial.

Explanation:

For an expression to be a polynomial, all the powers of its VARIABLES in the NUMERATOR must be a positive number.

Here, y+3/y=(y²+3)/y

=(y²+3)y-

As, the power of y is negative,.i.e., –1.

Therefore, y+3y/3 is not a polynomial.

I hope it helps ^_^


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