Question

please answer these questions ​

Answer 1

Answer:

1) 60+61

2) 112+123

Step-by-step explanation:

(11^2-1)/2 = 60 , (11^2+1)/2=61

(15^2-1)/2=112,(15^2+1)/2=113

Therefore,

11^2=121=60+61

15^2=225=112+113