Question

evaluate using suitable identities 997^2

Answer 1

identity is (a-b)^2 = a^2+ b^2 - 2ab

Answer 2

Answer:

using identity (a-b)^2

Step-by-step explanation:

(997)^2

(100-3)^2

10,00,000+9-2×1,000×3

10,00,000+9-6000

10,00,000-6000

=9,94,009