1.

By ( a + b ) ² solve these questions . ( I don't know how to solve root sums pls help )​

Answer» ONG>Step-by-step EXPLANATION:
  1. (a+b)²= a²+b²+2ab=18+75+30√6=
  2. 12+4-4√6=
  3. a²-b²=(a+b)(a-b)
  4. 5√6+15+4+2√6
  5. 3√6+6-2√6-4
  6. ????



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