A.\(\dfrac{1}{2}\)
B.\(1\)
C.\(2\)
D.\(\dfrac{1}{4}\)

A.\(0\)
B.\(1\)
C.\(2\)
D.\(4\)

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.\(\dfrac{4}{5}\)
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.\(\dfrac{b}{a}\)