A.\(0\)B.\(1\)C.\(2\)D.\(4\)
A.\(\dfrac{a}{b}\)B.\(\dfrac{{{a^2}}}{b}\)C.\(\dfrac{a}{{{b^2}}}\)D.\(\dfrac{{{a^2}}}{{{b^2}}}\)
A.\(0\)B.\(1\)C.\(\dfrac{3}{2}\)D.\(2\)
A.\( - \dfrac{{{a^2} - {b^2}}}{2}\)B.\(\dfrac{{{a^2} - {b^2}}}{2}\)C.\(0\)D.\(1\)
A.\(\dfrac{4}{5}\)B.\(\dfrac{5}{4}\)C.\(\dfrac{6}{5}\)D.\(\dfrac{5}{3}\)
A.\(1\)B.\(\dfrac{3}{5}\)C.\(\dfrac{1}{3}\)D.\(\dfrac{1}{5}\)
A.\( - \dfrac{a}{b}\)B.\(\dfrac{a}{b}\)C.\(1\)D.\(\dfrac{b}{a}\)
A.\(40\)B.\(50\)C.\(30\)D.\(60\)
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