find the cube of 299 by identities
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(300-1)^3 expand and solve...
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ANSWER........
Using (a+b)^3 = a^3 + b^3 +3ab(a+b)......
We get (299+0)^3 = 299^3 + 0^3 +3(299)(0)(299+0)......
299^3 = 299^3+0+0(299)
26730899 = 26730899
Hence , LHS = RHS .
THUS , PROVED .
Using (a+b)^3 = a^3 + b^3 +3ab(a+b)......
We get (299+0)^3 = 299^3 + 0^3 +3(299)(0)(299+0)......
299^3 = 299^3+0+0(299)
26730899 = 26730899
Hence , LHS = RHS .
THUS , PROVED .
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