Question

how to find square of 30 square - 29 square?​

Answer 1

${30}^{2} - {29}^{2} = (30 - 29)(30 + 29)$

$= > (1)(59)$

$= > 59$

formula

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

hope you understood

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