A.A.
\(V = \pi \int\limits_0^2 {\left( {2 - x} \right)\,dx + \pi \int\limits_0^2 {{x^2}\,dx} } \)
\(V = \pi \int\limits_0^2 {\left( {2 - x} \right)\,dx + \pi \int\limits_0^2 {{x^2}\,dx} } \)
B.B.
\(V = \pi \int\limits_0^2 {\left( {2 - x} \right)\,dx}\)
\(V = \pi \int\limits_0^2 {\left( {2 - x} \right)\,dx}\)
C.C.
\(V = \pi \int\limits_0^1 {x\,dx + \pi \int\limits_1^2 {\sqrt {2 - x} \,dx} }\)
\(V = \pi \int\limits_0^1 {x\,dx + \pi \int\limits_1^2 {\sqrt {2 - x} \,dx} }\)
D.D.
\(V = \pi \int\limits_0^1 {{x^2}\,dx + \pi \int\limits_1^2 {\left( {2 - x} \right)\,dx} }\)
\(V = \pi \int\limits_0^1 {{x^2}\,dx + \pi \int\limits_1^2 {\left( {2 - x} \right)\,dx} }\)
