Question

Find the product using identity 54 square2

Answer 1

Step-by-step explanation:

${54}^{2} = {(50 + 4)}^{2} \\ using \: identity \: {(x + y)}^{2} = {x}^{2} + 2xy + {y}^{2} \\ {(50 + 4)}^{2} = {50}^{2} + 2 \times 50 \times 4 + {4}^{2} \\ = 2500 + 400 + 16 \\ = 2916$

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