# ( a+b )² = a²+b²+2ab and ( a-b )² = a²+b²-2a b
formula proof
By easy method
Keep watch full video
easy method , shortcut method
I hope you enjoy in this video
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# ( a+b )² = a²+b²+2ab and ( a-b )² = a²+b²-2a b
formula proof
By easy method
Keep watch full video
easy method , shortcut method
I hope you enjoy in this video
🔴Instagram
( [ Ссылка ] )
🔴Facebook
( [ Ссылка ] )
Thanks...... #SmartBane