Question

using suitable identity find -
i) 48^2​

Answer 1

Answer:

2304 is correct answer

Step-by-step explanation:

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Answer 2

$(i) = {48}^{2} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = {(50 - 2)}^{2}$

${(a - b)}^{2} = {a}^{2} - 2ab + {b}^{2}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: {(50 - 2)}^{2} = {(50)}^{2} - 2(50)(2) + {2}^{2} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2500 - 200 + 4 \\ \: \: \: \: \: \: \: \: \: \: \: \: = 2504 - 200 \\ = 2304$