Question

any one question
solution please​

Answer 1

which class you have study in

Answer 2

Hope this helps you.....

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More identities:-

• a² + b² = (a + b) (a - b)
• (a + b)³ = a³ + b³ + 3ab ( a + b)
• (a - b)³ = a³ - b³ - 3ab (a - b)
• a³ - b³ = (a + b) (a² + b² - ab)
• a³ + b³ = (a - b) (a² + b² + ab)
• a³ + b³+ c³ - 3abc= (a + b + c) (a² + b²+ c²- ab -bc - ca)