Answer :
Answer:
Step-by-step explanation:
(x²+y²) =74 and xy=35
(x+y)²=x²+y²+2xy
Substitute the values
(x+y)²=74+2×35
(x+y)²=74+70
(x+y)²=144
(x+y)=√144
x+y=12
468
(x+y)³=x³+y³+3xy(x+y)
Substitute the values
(12)³=x³+y³+3×35(12)
1728=x³+y³+1260
x³+y³=1728-1260
x³+y³=468