what is 3 to the square root of 10 times 7 to the square root of 6
So we have...
3√10 * 7√ 6 and since we're just multiplying everything, we have
21√[10*6] =
21√60 =
21 √[4 * 15] =
21 * √4 * √15 =
21 * 2 * √15 =
42 √15
