Timer
00:00
Answers
A
B
C
D
E
Stats
Difficulty—
If the sum of the first \(n\) positive odd integers is \(n^2,\) what is the sum of all odd numbers from \(25\) to \(79?\)
A. \(39^2-11^2\)
B. \(39^2-12^2\)
C. \(40^2-12^2\)
D. \(79^2-22^2\)
E. \(40^2-11^2\)
OA C
A. \(39^2-11^2\)
B. \(39^2-12^2\)
C. \(40^2-12^2\)
D. \(79^2-22^2\)
E. \(40^2-11^2\)
OA C
