without actual calucating the cubes,find the value if each of the following(-10)^3+(7)^3+(3)^3
Answers
Answered by
0
Answer:
-10+7+3=0
so,a3+b3+c3=3abc
=3(-10)(7)(3)
=21(-30)
=-630 ans
Answered by
1
Answer:
-630
Step-by-step explanation:
(-10)³+7³+3³=(-10)³+(7+3)*(7²-3×7+3²)
=(-10)³+10*37
=-10{(-10)²-37}
=-10(100-37)
=-10*63
=-630
Used (a³+b³)=(a+b)(a²-ab+b²)
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