A.to solve
B.extinction
C.its
D.to

A.\(\dfrac{{256\pi }}{3}\)
B.\(\dfrac{{64\pi }}{3}\)
C.\(16\pi \)
D.\(64\pi \)

A.\(y = {x^4} - 2{x^2} - 2\)
B.\(y =  - {x^3} + 2{x^2} - 2\)
C.\(y = {x^3} - 3{x^2} - 2\)
D.\(y =  - {x^4} + 2{x^2} - 2\)

A.\(11\)
B.\(30\)
C.\(6\)
D.\(5\)

A.\(1 + {\log _4}a\)
B.\(4 - {\log _4}a\)
C.\(4 + {\log _4}a\)
D.\(1 - {\log _4}a\)

A.\(2 - 3i\)
B.\( - 2 + 3i\)
C.\( - 2 - 3i\)
D.\(2 + 3i\)

A.\(20\pi \)
B.\(\dfrac{{20\pi }}{3}\)
C.\(10\pi \)
D.\(\dfrac{{10\pi }}{3}\)

A.\(2\)
B.\(3\)
C.\(1\)
D.\(0\)

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

A.\(4 - 7i\)
B.\( - 4 + 7i\)
C.\(8 + i\)
D.\( - 8 + i\)