Find the Square of : 3a - 4b

Find the square of : 3a - 4b

बेरीज

We know that
( a - b )² = a² + b² - 2ab
( 3a - 4b )² = 9a² + 16b² - 2 x 3a x 4b
= 9a² + 16b² - 24ab

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पाठ 4: Expansions (Including Substitution) - Exercise 4 (A) [पृष्ठ ५७]

पाठ 4 Expansions (Including Substitution)
Exercise 4 (A) | Q 1.3 | पृष्ठ ५७

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