Question

Find The Value x³+y³ and xy if x+y=5 and x-y =3 ?​

Answer 1

after solving these two equations

we found the value of x= 4 and y = 1

so here your ans mate

X ^3 + Y^3

4^3 + 1^3 = 37

and

XY = 4×1= 4

hope it helps you

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Answer 2

x+y=5....I

x-y =3....ii

i +ii

2x=8,. x=4

4+y=5. y=1

$x {}^{3} + y {}^{3} = {4}^{3} + 1 = 65$

xy=4×1=4