Use an expansion formula to find the values of (997)^2 ?
Answers
Answered by
58
(977)^2
= (1000-3)^2
= 1000000 + 9 - 6000
= 1000009 - 6000
= 994009
= (1000-3)^2
= 1000000 + 9 - 6000
= 1000009 - 6000
= 994009
Answered by
63
(997)²
(1000-3)². {by (a-b)²}
(1000)²+3²-2(3000)
1000000+9-6000
994009
(1000-3)². {by (a-b)²}
(1000)²+3²-2(3000)
1000000+9-6000
994009
Similar questions