MathematicsMedium202×since 2002Q5726If the volume of a parallelopiped, whose coterminus edges are given by the vectors a→=i^+j^+nk^\overrightarrow a = \widehat i + \widehat j + n\widehat ka=i+j+nk, b→=2i^+4j^−nk^\overrightarrow b = 2\widehat i + 4\widehat j - n\widehat kb=2i+4j−nk and c→=i^+nj^+3k^\overrightarrow c = \widehat i + n\widehat j + 3\widehat kc=i+nj+3k (n≥0n \ge 0n≥0), is 158 cu. units, then :An = 7Bb→.c→=10\overrightarrow b .\overrightarrow c = 10b.c=10Ca→.c→=17\overrightarrow a .\overrightarrow c = 17a.c=17Dn = 9Check answerSkip