wihtout actually calculating the cube , find the value of : (48³)+(-30³)+(-18³)
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Answered by
0
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
Answered by
2
Answer:
= (48×48×48)+(-30×-30×-30)+(-18×-18×-18)
= 110592+(-27000)+(-5832)
= 110592+(-32832)
= 77760
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