Question

(997)cube solve it using indentity.

i will mark first one as the brainliest

Answer 1

Hey friend, ☺️ here is your answer _____________________________

${(1000 - 3)}^{3} \\ {(x - y)}^{3} = {x}^{3} - {y}^{3} - 3 {x}^{2} y + 3x {y}^{2} \\ = {1000}^{3} - {3}^{3} - 3 \times {1000}^{2} \times 3 + 3 \times 1000 \times {3}^{2} \\ = 1000000000 - 27 - 9000000 + 27000 \\ = 1000027000 - 9000027 \\ = 999,126,973$
Hope this helps you..