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I want 4th e part Please don't write equations

Dear Student,

Q 4 . (e) {(\frac{25}{4})}^{2} - {(\frac{1}{9})}^{2} = (\frac{25}{4} - \frac{1}{9}) (\frac{25}{4} + \frac{1}{9}) (using (a^{2} - b^{2}) = (a + b) (a - b)) = ({(\frac{5}{2})}^{2} - {(\frac{1}{3})}^{2}) (\frac{25}{4} + \frac{1}{9}) = (\frac{5}{2} - \frac{1}{3}) (\frac{5}{2} + \frac{1}{3}) (\frac{25}{4} + \frac{1}{9}) = (\frac{15 - 2}{6}) (\frac{15 + 2}{6}) (\frac{25 \times 9 + 4}{36}) = (\frac{13}{6}) (\frac{17}{6}) (\frac{229}{36}) = (\frac{221}{36}) (\frac{229}{36}) = \frac{50609}{1296}

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