Question

wihtout actually calculating the cube , find the value of : (48³)+(-30³)+(-18³)​

Answer 1

Answer:

Step-by-step explanation:

in the identity if a +b+c=0 then

a^3+b^3+c^3=3abc

ans is 3*48*(-30)*(-18)=77760

Answer 2

Answer:

= (48×48×48)+(-30×-30×-30)+(-18×-18×-18)

= 110592+(-27000)+(-5832)

= 110592+(-32832)

= 77760

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