Question

a2+b2+2ab=(a+b)2 give five examples

Answer 1

1.(3+2)² = 3²+2×3×2+2²
            =9+12+4
            =25
2.(3a+2b)²=3a²+2×3a×2b+2b²
              =9a²+12ab+4b²
3.(5a+6c)²=5a²+2×5a×6c+6c²
              =25a²+60ac+36c²
4.(2b+5a)²=2b²+2×2b×5a+5a²
             = 4b²+20ba+25a²
5.(9a+3b)²=9a²+2×9a×3b+3b²
             = 81a²+54ab+9b²