सूत्राचा उपयोग करून गुणाकार करा: (2a - 13) (2a + 13)
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Hello
4a^2-169=0
4a^2=169
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प्रश्नः
सूत्राचा उपयोग करून गुणाकार करा: (2a - 13) (2a + 13)
उत्तरः
सुत्र: (a - b)(a + b) = a² - b²
=> (2a - 13) (2a + 13) = (2a)² - (13)²
= 4a² - 169
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