Respuesta :

Answer:  d

Step-by-step explanation: when you bring 3 into the square root, it becomes isqrt(63). when you apply i, it makes the number sqrt(-63)

pretty sure I did it right this time

wegnerkolmp2741o

Answer:

d 3i sqrt(7)

Step-by-step explanation:

sqrt(-63)

±sqrt(-1) sqrt(63)

sqrt(-1) = i

±i sqrt(63)

±i sqrt(9)sqrt(7)

±i 3sqrt(7)

± 3i sqrt(7)

The principal square root is 3i sqrt(7)