Question

use identities evaluvate
$61^2 - 59^2$

Answer 1

Answer:

(61−59)

2

thisisintheformof

(a−b)

2

=a

2

+b

2

−2ab

byapplyingformulaweget

61

2

+59

2

−2(61)(59)

3721+3481−7198

7202−7198=4