सूत्राचा उपयोग करून गुणाकार करा: (2t - 5) (2t + 5)
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सूत्राचा उपयोग करून गुणाकार करा: (2t - 5) (2t + 5)
उत्तरः
सुत्र: (a - b)(a + b) = a² - b²
=> (2t - 5) (2t + 5) = (2t)² - (5)²
= 4t² - 25
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