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Factorise : - 4x^(2) +9y^(2)+16z^(2)+...

Factorise : -
`4x^(2) +9y^(2)+16z^(2)+12xy-24yz-16xz`

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Factorise : (i) 4x^2+9y^2+16z^2+12xy-24yz-16xz (ii) 2x^2+y^2+8z^2-2sqrt2xy+4sqrt2yz-8xz

Factorise 4x ^(2) + 9y ^(2) + 25 z ^(2) - 12 xy - 30 yz + 20 zx

Factorise : - 2x^(2)+y^(2)+8z^(2)-2sqrt(2)xy+4sqrt(2)yz-8xz

Factorize: (x^2-2xy+y^2) - z^2

Factories (i) 25 x ^(2) + 16 y ^(2) + 4z ^(2) - 40 xy + 16 yz - 20xz (ii) 9a ^(2) + 4b ^(2) + 16 c ^(2) + 12 ab - 16 bc - 24 ca

Factorize: 9x^2y^2-16

Factorise 8x ^(3) + 36 x ^(2) y + 54 xy ^(2) + 27 y ^(3).

The centre of the hyperbola 9 x^(2)-16 y^(2)+72 x-32 y=16 is

The centre of the ellipse 8 x^(2)+6 y^(2)-16 x+12 y-34=0 is

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SUBHASH PUBLICATION-POLYNOMIALS-EXERCISE 4.5
  1. Expand each of the following , using suitable identities. (-2x+5y-3z...

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  2. Expand each of the following , using suitable identities. (a/4-b/2+...

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

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  4. Factorise : - 2x^(2)+y^(2)+8z^(2)-2sqrt(2)xy+4sqrt(2)yz-8xz

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  5. Write the following cubes in expanded form. (2x+1)^(3)

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  6. Write the following cubes in expanded form. (2a-3b)^(3)

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  7. Write the following cubes in expanded form. [3/2x+1]^(3)

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  8. Write the following cubes in expanded form. (x-2/3y)^(3)

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  9. Evaluate using the suitable identity. (99)^(3)

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  10. Evaluate using the suitable identity. (102)^(3)

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  11. Evaluate using the suitable identity. (998)^(3)

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  12. Factorise each of the following . 8a^(3)+b^(3)+12a^(2)b+6ab^(2)

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  13. Factorise each of the following . 8a^(3)-b^(3)-12a^(2)b+6ab^(2)

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  14. Factorise each of the following . 27-125a^(3)-135a+225a^(2)

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  15. Factorise each of the following . 64a^(3)-27b^(3)-144a^(2)b + 108ab^...

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  16. x+y+z=0 Show that x^(3)+y^(2)+z^(3)=3xyz

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  17. Without actually calculating the cubes , find the value of the followi...

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  18. Without actually calculating the cubes , find the value of the followi...

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  19. Give passible expressions for the length and breadth of each of the fo...

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  20. Give passible expressions for the length and breadth of each of the fo...

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