Question

use (a+ b)²=a²+2ab+ b² find the following squares of 54²​

Answer 1

Answer:

2916

Step-by-step explanation:

${54}^{2} = {(50 + 4)}^{2} \\ = {50}^{2} + {4}^{2} + 2 \times 50 \times 4 \\ = 2500 + 16 + 400 \\ = 2916$

Answer 2

Answer:

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