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Without actually calculating the cubes find …

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Without actually calculating the cubes find the value of 45,25,20

Posted by Rajkumar Parjapati 4 years, 9 months ago

CBSE > Class 09 > Mathematics

2 answers

Prabhjot Kaur 4 years, 9 months ago

But your statement is wrong It must be 45 + (-25)+ (-20) So. 45 - 45 =0 Then 3 * 45 * -25 * -20 = 67,500

Prabhjot Kaur 4 years, 9 months ago

If a + b + c = 0 then a^3 + b^3 + c^3 = 3 abc

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