Factorise $a^{2} + 2ab + b^{2}$.

Factorise $a^{2} + 2ab + b^{2}$.
  1. $(a + b)^{2}$
  2. $(a - b)^{2}$
  3. $(a + b)(a - b)$
  4. $a^{2} + b^{2}$

Solution

Standard square identity.

Asked in: MH-SSC-9

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