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Factorise the following using appropriat...

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

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The correct Answer is:
`(x-(y)/(10))(x+(y)/(10))`
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NAND LAL PUBLICATION-POLYNOMIALS-EXERCISE 2.5
  1. Factorise the following using appropriate identities : 9x^2+6xy+y^2.

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

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

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

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

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

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

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

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

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

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

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

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  13. Write the following cube in expanded : (2a-3b)^3.

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  14. Write the following cubes in expanded form: [3x+1]^3

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  15. Write the following cube in expanded : [x-2/3y]^3.

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  16. Evaluate the following using suitable identity : (99)^3.

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  17. Evaluate the following using suitable identity : (102)^3.

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  18. Evaluate the following using suitable identity : (998)^3.

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  19. Factorise the following : 8a^3+b^3+12a^2b+6ab^2.

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  20. Factorise each of the following: 8a^3- b^3-12a^2b + 6ab^2

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