Question

(199)^3 evaluate it.....

Answer 1

$199^3$

$(200-1)^3$

$using\: identity (a-b) ^3$

$200^3-1^3-2*200*200*1+2*1*200$

$8000000-1-80000+400$

$7920399$

Answer 2

Answer:

${199}^{3} \\ \\ (200 - {1})^{3} \\ \\ using \: identity (a - {b})^{3} \\ \\ {200}^{3} - {1}^{3} - 2 \times 200 \times 200 \times 1 + 2 \times 1 \times 200 \\ \\ 8000000 - 1 - 80000 + 400 \\ \\ = 7920399$

HOPE THIS HELPS YOU

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