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Which of the following expressions are p...

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:- `x^10 + y^3+ t^50`

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The correct Answer is:
x,y,t
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NAND LAL PUBLICATION-POLYNOMIALS-EXERCISE 2.5
  1. Which of the following expressions are polynomials in one variable and...

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  2. Use the suitable identity to find the following product : (x + 4) (x +...

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  3. Use the suitable identity to find the following product : (x + 8) (x ...

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  4. Use the suitable identity to find the following product : (3x + 4) (3x...

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  5. Use the suitable identity to find the following product : (y^2+3/2)(y^...

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  6. Use the suitable identity to find the following product : (3 - 2x) (3 ...

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  7. Evaluate the following product without multiplying directly : 103xx107...

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  8. Evaluate the following product without multiplying directly : 95xx96.

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  9. Evaluate the following product without multiplying directly : 104xx96.

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  10. Factorise the following using appropriate identities : 9x^2+6xy+y^2.

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  11. Factorise the following using appropriate identities : 4y^2-4y+1.

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  12. Factorise the following using appropriate identities : x^2-y^2/100.

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  13. Expand the following using suitable Identities : (x + 2y + 4z)^2.

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  14. Expand each of the following, using suitable identifies : (2x -y + 2)...

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  15. Expand the following using suitable Identities : (-2x + 3y + 2z)^2.

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  16. Expand the following using suitable Identities : (3a-7b-c)^2.

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  17. Expand the following using suitable Identities : (-2x + 5y -3z)^2.

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  18. Expand each of the following, using suitable identifies : [a-b+1]^2

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  19. Factorise : 4x^2+9y^2+16z^2+12xy-24yz-16xz.

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  20. Factorise : 2x^2+y^2+8z^2-2sqrt2xy+4sqrt2yz-8xz.

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  21. Write the following cube in expanded : (2x+1)^3.

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