Question

X+y=10 and xy=16 then value of x3+y3 is

Answer 1

Answer:

if we take x=8 and y= 2 then

8+2=10, 8*2=16

so,

(3*8) + (3*2) = 24+ 6=30

so x3 +y3=30

Step-by-step explanation:

Answer 2

Answer:

XY=16 hence X=16/y put in 1st equation 16/y+y=10

we get y^2-10y+16=0 and y=8,2 hence X will be 2,8 then value of x3+y3 is 8+512= 520

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