Question

Plzzz reply these two answers urgent​

Answer 1

P=3i + 4j + 12k

These are the components of the vector, so using formula for solid diagonal, magnitude of vector P is √(i^3+j^3+k^3)=√(3^3+4^3+12^3)

=√(9+64+1278)

=√1369 = 37

Please mark me the brainliest!

PS. I'm 13 years old.