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Is the expression x^(2)-1/x + 3 a polyn...

Is the expression `x^(2)-1/x + 3 ` a polynomial ?

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The correct Answer is:
No
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Which of the following expressions are polynomials ? In case of a polynomial , write its degree. (i) x^(5)-2x^(3)+x+sqrt(3) (ii) y^(3)+sqrt(3)y (iii) t^(2)-(2)/(5)t+sqrt(5) (iv) x^(100)-1 (v) (1)/(sqrt(2))x^(2)-sqrt(2)x+2 (vi) x^(-2)+2x^(-1)+3 (vii) 1 (viii) (-3)/(5) (ix) (x^(2))/(2)-(2)/(x^(2)) (x) root(3)(2)x^(2)-8 (xi) (1)/(2x^(2)) (xii) (1)/(sqrt(5))x^(1//2)+1 (xiii) (3)/(5)x^(2)-(7)/(3)x+9 (xiv) x^(4)-x^(3//2)+x-3 (xv) 2x^(3)+3x^(2)+sqrt(x)-1

Which of the following expressions are polynomials and which are not? 3x^(2/3)-5x-4x^(3)+5/2

Which of the following expressions are polynomials and which are not? 5x^(2)y^(1/2)-3xy^(3)+19x^(2)y^(3)

Which of the following expressions are polynomials and which are not? 7x^(3)-3x^(2)+5sqrt(x)-11

Which of the following expressions are polynomials and which are not? 2x^(4)-3x^(3)+5/x-8

Which of the following expressions are polynomials and which are not? 3x^(3)-4/3x+5/2

Which of the following expressions are not polynomials? x^(2)+2x^(-2) (ii) sqrt(ax)+x^(2)-x^(3)3y^(3)-sqrt(5y)+9( iv) ax^((1)/(2))+ax+9x^(2)+43x^(-2)+2x^(-1)+4x+5

Which of the following expressions are polynomials and which are not? 3x^(2)y^(2)-5xy^(3)+12y^(4)

In the polynomial x^(3)-5x , the expression x^(3) & 5x are called .........of the polynomial.

2x+3 is a polynomial in x of degree 12x^(2)-3x+(7)/(5) is a polynomial in x of degree 2.(2)/(3)a^(2)-(7)/(2)a^(2)+4 is a polynomial in a degree

TARGET PUBLICATION-QUESTION FROM STD. IX-Polynomials
  1. Is the expression x^(2)-1/x + 3 a polynomial ?

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  2. By using variable x write any monomial and binominal each of degree 5...

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  3. Write the degree of the polynomial 7x^(3) +10x^(3) + x^(6) -8.

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  4. Write the degree of the polynomial m^(3)n^(7) -3m^(5)n + mn

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  5. Classify the following as linear, quadratic or cubic polynomial : 2x^(...

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  6. Write the polynomial x^(4)-4 in coefficient form.

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  7. Use the given letter to write the answer. There are 'a' trees in the...

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  8. Multiply : -7a^(2)xx3a

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  9. find the remainder when x^(3) -3x^(2)+x+1 is divided by x+1 .

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  10. Add : 6p^(2)q - 5pq^(2) -3pq, 8pq^(2)+2p^(2)q -2pq

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  11. Subtract the second polynomial from the first : 3x^(2)y-7xy^(2) +5x...

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  12. What should be added to x^(3)-x^(2) -x+1 to get 5x^(3) -4x^(2) +3x -1?

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  13. If the sides of a triangle are b-3a+2c, a+3b-3c and 2a-b+c, then find ...

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  14. Multiply : x^(2)-2, x^(3) + 2x^(2)+1

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  15. Divide the following polynomial and write the remainder . (x^(3)-3x...

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  16. If P(y)=y^(2)-[3sqrt(2)]y+1, then find p(3sqrt(2))

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  17. If p(y)=y^(3)-5y^(2)+5y+10 , then find p(2) +p(-2).

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  18. If the remainder obtained when x^(3)+5x^(2)+ax-7 is divided by x-3 is ...

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  19. Show that m-1 is a factor of m^(21)-1

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  20. Factorize : 2x^(2)-8x+6

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