Question

सूत्राचा उपयोग करून गुणाकार करा: (4z - 5y) (4z+ 5y)

Answer 1

Hola!! ⭐⭐

Mate here's ur answer :-

$(4z - 5y)(4z + 5y) \\ \\ by \: using \: the \: identity \: we \: get \\ \\ {a}^{2} - b {}^{2} \\ \\ hence \: the \: answer \: is \\ \\ = 16z {}^{2} - 25y {}^{2}$

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Answer 2

प्रश्नः

सूत्राचा उपयोग करून गुणाकार करा: (4z - 5y) (4z + 5y)

उत्तरः

सुत्र: (a - b)(a + b) = a² - b²

=> (4z - 5y) (4z + 5y) = (4z)² - (5y)²

= 16z² - 25y²