Question

if x+y=5andxy=6 then the value of x³+y³is​

Answer 1

Answer:

sorry idont know the answer

Answer 2

Answer:

X+Y=5

=>X=5-Y

XY =6

=>(5-Y)Y=6

=>5Y-Y²=6

=>Y²-5Y+6=0

=>Y²-3Y-2Y+6=0

=>Y(Y-3)-2(Y-3)=0

=>(Y-3)(Y-2)=0

=>(Y-3)=0 or (Y-2)=0

Y=3 Y=2

X=2 X=3

X³-Y³=2³-3³=8-27=-19

OR,

X³-Y³=3³-2³=27-8=19

Step-by-step explanation:

Hope it helps.