Please help me!!!!!!!!!!
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Step-by-step explanation:
All are easy
It's impossible to clarify all
Just giving hint that learn identities
If a+b+c = 0 then a³+b³+c³= 3abc
This will be used for first one
Learn identities....
Answered by
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Answer:This will take a lot of time
Step-by-step explanation:
When a+b+c=0 then a^3+b^3+c^3=3abc #hint
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