Question

find answer ³√(-5)³×(-15)³​

Answer 1

Answer:

Solution:

We are going to use identity

If x+y+z=0

then x³+y³+z³=3xyz

2 5 ³ – 15 ³ – 10 ³ = (25) ³ +(– 15) ³+( – 10) ³

If we take x=25, y = -15 & z=-10

then clearly x+y+z=25–15–10=0

so (25) ³ +(– 15) ³+( – 10) ³=3(25)(– 15)( – 10) = (75)(150) = 11250

Answer 2

Answer:

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