Advertisements
Advertisements
Question
Which of the following expression are polynomial? Justify your answer:
`1 - sqrt(5)x`
Advertisements
Solution
`1 - sqrt(5)x = 1 - sqrt(5)x^(1/2)`
Here, the power of `x = 1/2`, which is not a whole number.
Hence, `1 - sqrt(5)x` is not a polynomial.
APPEARS IN
RELATED QUESTIONS
Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:
`3sqrtx+sqrt2x`
Write the coefficient of x2 in the following:-
`sqrt2x-1`
Classify the following polynomial as polynomials in one variable, two variables etc.
x2 + x + 1
Write the coefficient of x2 in the following:
(x – 1)(3x – 4)
Write the coefficient of x2 in the following:
(2x – 5)(2x2 – 3x + 1)
Give an example of a polynomial, which is binomial of degree 20.
Following expression is polynomial in one variable or not? State reason for your answer.
`y+2/y`
Following expression is polynomial in one variable or not? State reason for your answer.
x10 + y3 + t50
Classify the following as linear, quadratic and cubic polynomial:
y + y2 + 4
For polynomials in two or more variables, the degree is found by:
