Phương trình \({4^x} - {3.2^x} + 2 = 0\) có nghiệm thuộc khoảng

A. \(\left( {1; + \infty } \right)\).

B. \(\left[ {1; + \infty } \right)\).

C. \(\left( { - \infty ;1} \right)\).

D.\(\left( {3; + \infty } \right)\).

A. \(\frac{{\sqrt 3 }}{2}\).

B. \(\frac{{\sqrt 2 }}{2}\).

C. \(\frac{1}{2}\).

D. \(\frac{1}{3}\).

A. \(169\pi {a^3}\).

B. \(52\pi {a^3}\).

C.\(104\pi {a^3}\).

D. \(\frac{{104\pi {a^3}}}{3}\).

A. \[F'\left( x \right) = - f\left( x \right)\], \[\forall x \in K\].

B. \[g'\left( x \right) = G\left( x \right)\], \[\forall x \in K\].

C. \[F'\left( x \right) + G'\left( x \right) = f\left( x \right) - g\left( x \right)\], \[\forall x \in K\].

D. \[F'\left( x \right) + G'\left( x \right) = f\left( x \right) + g\left( x \right)\], \[\forall x \in K\].

A. \[y = 1\].

B. \[y = - 2\].

C. \[x = 1\].

D. \[x = - 2\].

A.\(\frac{{2{a^3}\sqrt 3 }}{3}\).

B.\(\frac{{2{a^3}\sqrt 3 }}{2}\).

C.\(\frac{{2{a^3}}}{3}\).

D.\(\frac{{5{a^3}}}{{\sqrt 3 }}\).