1.

Tell some indentities of polynomials .... 9th class

Answer»

1 a^2 + B^2 = a^2 + 2AB + b^2

1 a^2 - b^2 = a^2 - 2ab + b^2

3 a - b = (a - b) (a + b)

4 (X + y) (x + y) (x + y) = x^3 + y^3


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