CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Graphical Representation of Quadratic Equation

A vector is r...

Question

A vector is represented by $3^i +^j + 2^k$ . Its length in $X Y -$ plane is

A

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

\sqrt{10}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

\sqrt{5}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

\sqrt{14}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $\sqrt{10}$
Given vector, $\to R = 3^i +^j + 2^k$
Length in $X Y$ plane $= \sqrt{R_{x}^{2} + R_{y}^{2}}$
$= \sqrt{3^{2} + 1^{2}}$
$= \sqrt{10}$
Final answer: (c)

Suggest Corrections

thumbs-up

0

Similar questions

Q. A vector is represented by

3^i +^j + 2^k

, has length in

X Y

A vector is represented by $3^i +^j + 2^k$ . Its length in $X Y$ plane is

Q. Vertices of a triangle are represented by vectors

\to A =^i - 2^j + 2^k, \to B = 2^i +^j -^k

\to C = 3^i -^j + 2^k

Q. The projection of a vector,

\to r = 3^i +^j + 2^k

x - y

plane has magnitude

Q. Vertices of a triangle are represented by vectors

\to A =^i - 2^j + 2^k, \to B = 2^i +^j -^k

\to C = 3^i -^j + 2^k

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Graphical Representation of Quadratic Equation

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon