Question

factorise 1-(b-c)^2​

Answer 1

Answer:

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Answer 2

✣ To factorise

1 -(b - c)²

Step by step explanation:-

↪1 is square of 1

By using identity:-

◆ a² - b² = (a + b)(a-b)

So,

⇒ (1)² - (b - c)²

⇒ (1 + b - c) (1 - b - c)

Hence, Factorise.

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More identities:-

• (a + b)² = a² + b² + 2ab
• (a - b)² = a² + b² - 2ab
• (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)