Question

if X + Y = 5 and 4xy= 21 find ³ y cube​

Answer 1

Step-by-step explanation:

y= 5-x

xy=21/4

x(5-x)=21/4

5x-x^2=21/4

4x^2-20x+21=0

solve the quadratic equation then u get the x value and then u get y value

u can find value of y^3

plss solve it dont mind