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Are the expressions a-b+2x^2+y^2-x y ,\ ...

Are the expressions `a-b+2x^2+y^2-x y ,\ x^3-2y^3-3x^2\ y^2z\ ` etc. trinomials?

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RD SHARMA ENGLISH-ALGEBRAIC EXPRESSIONS AND IDENTITIES-All Questions
  1. −5, 3y,7xy,2/3x^2 yz, 5/3a^2bc^3 etc. are all monomials.

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  2. The expressions 2x-3,\ \ 3x+2y ,\ \ x y z-5\ etc. are all binomials. ...

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  3. Are the expressions a-b+2x^2+y^2-x y ,\ x^3-2y^3-3x^2\ y^2z\ etc. tri...

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  4. True/False: In -5x y , the coefficient of x is -5y : the coe...

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  5. In -x , the coefficient of x is -1.

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  6. In 3a^2b c , the coefficient of a^2\ is\ 3b c , the coefficient of b ...

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  7. In the algebraic expression x^2-x y+y z-4, the constant term is -4 .

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  8. In the algebraic expression 2a^2b+3a b^2-7a b-4b a^2, we have 2\ a^2b ...

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  9. Identify the terms, their coefficients for each of the following exp...

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  10. Identify the terms, their coefficients for each of the following ex...

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  11. Identify the terms, their coefficients for each of the following ex...

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  12. Classify the following polynomials as monomials, binomials, trinomia...

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  13. Classify the following polynomials as monomials, binomials, trinomi...

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  14. Classify the following polynomials as monomials, binomials, trinomi...

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  15. Classify the following polynomials as monomials, binomials, trinomi...

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  16. Add ; 7x^2-4x+5,\ -3x^2+2x-1\ a n d\ 5x^2-x+9.

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  17. Add : 5x^2-1/3x+5/2,-1/2x^2+1/2x-1/3a n d-2x^2+1/5x-1/6dot

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  18. Add the following algebraic expressions: 2,(2y)/3-(5y^2)/3+(5y^3)/2,-4...

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  19. Subtract : (-2y^2+1/2y-3)\ from\ 7y^2-2y+10.

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  20. Subtract : 3/2x^2y+4/5y-1/3x^2y z\ from \ (12)/5x^2y z-3/5x y z+2/3x^...

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