C-02-Q086mediumsingle_mcq∣A×B∣=?|A \times B| = ?∣A×B∣=?a∣A∣+∣B∣|A| + |B|∣A∣+∣B∣b∣A∣⋅∣B∣|A| \cdot |B|∣A∣⋅∣B∣c∣A∣−∣B∣|A| - |B|∣A∣−∣B∣d∣A∣∣B∣|A|^{|B|}∣A∣∣B∣