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

A.\(e^2+1\)
B.\({e^2} - 1\)
C.\(e - 1\)
D.\(e + 1\)

A.\(75m\)
B.\(40m\)
C.\(15m\)
D.\(60m\)

A.\(3{e^7}\)
B.\(3{e^7} + 1\)
C.\(3{e^7} - 1\)
D.\({e^7}\)

A.\( - 5\)
B.\(13\)
C.\(5\)
D.\( - 13\)

A.\(9\)
B.\(11\)
C.\(5\)
D.\(4\)

A.\(4\)
B.\(5\)
C.\(3\)
D.\(8\)

A.\( - 1\)
B.\(7\)
C.\( - 7\)
D.\(1\)

A.\(36\pi \)
B.\(36\)
C.\(9\)
D.\(9\pi \)

A.\(1\)
B.\(2\)
C.\(6\)
D.\(3\)