Without actually calculating the cubes, find the value of each of the following:
(1) (-12)3+(7)3 + (5)3
(ii) (28)3 +(-15)3 +(-13)3;
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Without actually calculating the cubes, find the value of each of the following:
(1) (-12)3+(7)3 + (5)3
(ii) (28)3 +(-15)3 +(-13)3;
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Answer:
Try to do 2nd like this..
Step-by-step explanation:
Hope ot will help you.
QUESTION 1.
Consider
Then,
By using
If a+b+c = 0
So,
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QUESTION 2.
Consider
Then,
By using
If a+b+c = 0
So,