1.

Dikhaiye ki dikhaiye b2c minus b cube Samachar C - 1 ​

Answer»

The FORMULA is (a-b)³=a³-3a²b+3ab²-b³. You convert it to (a-b)³=a³-3ab(a-b)-b³ for an ILLUSTRATION. ... You TAKE the DRAWING of the formula(a+b)³=a³+3a²b+3ab²+b³ from above and replace a by the DIFFERENCE a-b.



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