# Math Help - finding vector

1. ## finding vector

find a vector v whose magnitude is 3 and whose component in the i direction is equal to the component in the j direction

thank you

2. Originally Posted by alessandromangione
find a vector v whose magnitude is 3 and whose component in the i direction is equal to the component in the j direction

thank you
you want a vector $\left< x,x \right>$ such that $\| \left< x,x \right> \| = 3$

That is, $\sqrt{x^2 + x^2} = 3$

Now solve for $x$ and you can find your vector.

3. thank u so much!