How will you justify your answer, without actually calculating the cubes?
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Answer:
Step-by-step explanation:
→ Given that
→ (8/15)³ - (1/3)³ - (1/5)³
→ (a + b + c) = 3abc
Here,
→ a = 8/15 b = -1/3 c = -1/5
→ 3(8/15)(-1/3)(-1/5)
→ 24/225
→ 24÷3/225÷3
→ 8/75
→ Hence justified without actually calculating the cubes.
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this is the answer of this question..
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