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If x^2+y^2=49 and x-y=3, then find the v...

If `x^2+y^2=49 and x-y=3,` then find the value of `x^3-y^3`

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CBSE COMPLEMENTARY MATERIAL-POLYNOMIALS-Part C
  1. Factories : 64a^(2)+96ab+36b^(2)

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  2. Factorise x^3+6x^2+11 x+6

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  3. If x^2+y^2=49 and x-y=3, then find the value of x^3-y^3

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  4. Simplify (5a-2b) (25a^(2)+10ab+4b^(2)) -(2a+5b) (4a^(2)-10ab+25b^(2)).

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  5. Find the sum of remainders when x^(3)-3x^(2)+4x-4 is divided by (x-1) ...

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  6. Find the product (p-1/p)(p+1/p)(p^2+1/(p^2))(p^4+1/(p^4)).

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  7. Factories 7sqrt2 k^(2)-10k-4sqrt2

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  8. Simplify: (3x-4y)^(3)-(3x+4y)^(3)

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  9. Use appropriate identity, expand (2a)^(3)+b^(3)+(3c)^(3)-18abc.

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  10. Simplify (x+y+z)^(3)-(x-y-z)^(2).

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  11. Factories 125x^(3)+8y^(3)+z^(3)-30xyz.

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  12. x+2 is a factor of polynomial ax^(3)+bx^(2)+x-2 and the remainder 4 is...

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  13. If the polynomials a x^3+4 x^2 + 3x -4 and x^3 - 4x + a leave the sam...

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  14. If ((9)/(10))^(3) -(2/5)^(3)-(1/2)^(3)=(x)/(50), find x

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  15. If (x-3) and (x-1/3) are factors of the polynomial px^(2)+3x+r, show t...

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  16. Using identify, find the value of (-7)^(3)+(5)^(3)+(2)^(3).

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  17. Find the dimensions of cube whose volume is given by the expression. 4...

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  18. Given possible expression for the length and breadth of each of the fo...

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  19. A literacy caompaign was organised by Class IX girl students under NSS...

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  20. Under tree plantation programme students of Class IX planted total (3x...

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