Question

Answer 1

a/2499

b/40401

Answer 2

b. 201² = (200 + 1)² = 200² + 2.200.1 + 1¹ = 40401

Answer 3

\(a,=\left(50-1\right)\left(50+1\right)=50^2-1=2499\\ b,=\left(200+1\right)^2=200^2+2\cdot200+1=40000+400+1=40401\)

Answer 4

a 2499

b 40401

Answer 5

a: \(51\cdot49=50^2-1=2499\)

b: \(201^2=40401\)