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natta225 [31]
3 years ago
14

Which expression is a sum of cubes?

Mathematics
2 answers:
luda_lava [24]3 years ago
5 0
   
-27x^9+y^6 = (-3)^3\times \Big(x^3\Big)^3 + \Big(y^2\Big)^3=\boxed{\Big(-3x^3\Big)^3+\Big(y^2\Big)^3}



alex41 [277]3 years ago
3 0

Answer:

Option (3) is correct.

-27x^9+y^6 is the expression written as the sum of cubes as

(-3x^3)^3+(y^2)^3

Step-by-step explanation:

<u>Sum of cubes</u> : is defined as  a^3+b^3

We have to choose a sum of cubes from given expressions,

Consider -27x^9+y^6

Here  -27x^9 can be written as (-3x^3)^3

and y^6 can be written as (y^2)^3

Thus, -27x^9+y^6=(-3x^3)^3+(y^2)^3

Hence, -27x^9+y^6 is the expression written as the sum of cubes as (-3x^3)^3+(y^2)^3

Thus, option (3) is correct.

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