Advertisements
Advertisements
प्रश्न
Which of the following expression are polynomial? Justify your answer:
`1/(5x^-2) + 5x + 7`
Advertisements
उत्तर
`1/(5x^-2) + 5x + 7 = 5x^2 + 5x + 7`
Here, the power of x are 2 and 1 respectively
2 and 1 both are whole numbers.
Hence, `1/(5x^-2) + 5x + 7` is a polynomial.
APPEARS IN
संबंधित प्रश्न
Write the coefficient of x2 in the following:-
2 - x2 + x3
Write the coefficient of x2 in the following:-
`sqrt2x-1`
Classify the following polynomial as polynomials in one variable, two variables etc.
y3 – 5y
Classify the following polynomial as polynomials in one variable, two variables etc.
xy + yz + zx
Give an example of a polynomial, which is monomial of degree 1.
Following expression is polynomial in one variable or not? State reason for your answer.
`3sqrtt + tsqrt2`
Following expression is polynomial in one variable or not? State reason for your answer.
`y+2/y`
Classify the following as linear, quadratic, and cubic polynomial:
x - x3
Classify the following as linear, quadratic and cubic polynomial:
1 + x
Classify the following as linear, quadratic and cubic polynomial:
r2
