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If x+y=3, then what is the value of x^3 ...

If x+y=3, then what is the value of `x^3 + y^3 + 9xy`?
यदि x+y=3 हो, तो `x^3 + y^3 + 9xy` का मान क्या है?

A

15

B

81

C

27

D

9

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Knowledge Check

  • If x - y = 3, then what is the value of x^(3) - y^(2) 9xy ?

    A
    3
    B
    9
    C
    18
    D
    27

  • If x:y=y:z then what is the value of x^(3) : y^(3)?

    A
    `x^(2) : yz`
    B
    `x^(3) : y z`
    C
    `x:z`
    D
    `z^(2) : xy`

  • If x:y=y:z then what is the value of x^(3) : y^(3)?

    A
    `x^(2) : yz`
    B
    `x^(3) : y z`
    C
    `x:z`
    D
    `z^(2) : xy`

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