MathematicsMedium129×since 2002Q5160Let S={x:x∈R and (3+2)x2−4+(3−2)x2−4=10}S = \left\{ {x:x \in \mathbb{R}\,\mathrm{and}\,{{(\sqrt 3 + \sqrt 2 )}^{{x^2} - 4}} + {{(\sqrt 3 - \sqrt 2 )}^{{x^2} - 4}} = 10} \right\}S={x:x∈Rand(3+2)x2−4+(3−2)x2−4=10}. Then n(S)n(S)n(S) is equal toA6B4C0D2Check answerSkip