Apti
master
Learn
Practice
Exam DNA
Mock Tests
Blog
Leaderboard
🔥
🔍
🌙
Log in
Sign up
🔍
🌙
Loading
⚡
💬
Problems on Numbers Flashcards
0 / 7 Mastered
0%
Formula
Difference of squares = ?
Tap to flip
Got it
Review
Answer
a²-b² = (a+b)(a-b).
Swipe right if you got it
Formula
Sum of first n odd numbers = n²...?
Tap to flip
Got it
Review
Answer
Sum of first n odd numbers = n².
Swipe right if you got it
Formula
Sum of first n even numbers = n(n+1)...?
Tap to flip
Got it
Review
Answer
Sum of first n even numbers = n(n+1).
Swipe right if you got it
✗
✓