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If 4x^2+ y^2= 40 and xy =6; find the val...

If `4x^2+ y^2= 40` and xy =6; find the value of `2x+y`

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If x and y be two positive real numbers such that 4x^(2)+y^(2)=40 and xy=6 , then find the value od 2x+y .

If 4x^2+y^2=40 and xy=6,(x>0,y>0) then the value of 2x+y is: यदि 4x^2+y^2=40 और xy=6,(x>0,y>0) , 2x+y का मान ज्ञात करें :

Knowledge Check

  • If x = 6, y = 4 and z = 3, then find the value of x ^(2) + y ^(2) + z ^(2) - 2xy + 2 yz - 2 zx.

    A
    125
    B
    1
    C
    `-25`
    D
    10

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    If 2x + y = 6 and xy = 4, then find the value of 8x^3+y^3 is: यदि 2x + y = 6 तथा xy = 4 है, तो 8x^3+y^3 का मान ज्ञात कीजिए।

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