Mathematical induction and sequence Observe the following formula: 1=1^2 2+3+4=9=3^2 3+4+5+6+7=5^2 4+5+6+7+8+9+10=7^2 The general law provided by equation is deduced and proved by mathematical induction

Mathematical induction and sequence Observe the following formula: 1=1^2 2+3+4=9=3^2 3+4+5+6+7=5^2 4+5+6+7+8+9+10=7^2 The general law provided by equation is deduced and proved by mathematical induction

It's easy to prove. Let me give you the rules
n+(n+1)+…… +(3n-2)=(2n-1)^2