Advertisements
Advertisements
Question
Following expression is polynomial in one variable or not? State reason for your answer.
`y+2/y`
Advertisements
Solution
We have `y+2/y` = y + 2 . y-1
It is not a polynomial because one of the exponents of y is -1, which is not a whole number.
APPEARS IN
RELATED QUESTIONS
Write the coefficient of x2 in the following:-
`2+x^2+x`
Write the degree of the following polynomial:-
5x3 + 4x2 + 7x
Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:
3x2 - 4x +15
Which of the following expression are polynomial? Justify your answer:
8
Which of the following expression are polynomial? Justify your answer:
`1/7 a^3 - 2/sqrt(3) a^2 + 4a - 7`
Classify the following polynomial as polynomials in one variable, two variables etc.
y3 – 5y
Write the coefficient of x2 in the following:
(x – 1)(3x – 4)
Give an example of a polynomial, which is trinomial of degree 2.
Classify the following as linear, quadratic, and cubic polynomial:
x - x3
An algebraic expression is a polynomial in one variable when it contains:
