1.

3.) Factorize the expressions.c. (a^2 - 2ab + b^2)-c^2​

Answer»

Answer:

USING identity A2 + 2ab + b2 = (a + B)2

= (a + b)2 - c2

Using identity a2 - b2 = (a + b)(a - b)

= (a + b + C)(a + b - c )

∴ a2 + 2ab + b2 - c2 = (a + b + c)(a + b - c)

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