9. If (A=begin{bmatrix}α&β \ γ &-αend{bmatrix}) is such that (A^2=I), then (A) (1+α^2+βγ=0)(B) (1-α^2+βγ=0)(C) (1-α^2-βγ=0)(D) (1+α^2-βγ=0). Previous Next
Category: Ncert
Find the matrix X so that (X\begin{bmatrix}1&2&3 \ 4&5&6
8. Find the matrix X so that (Xbegin{bmatrix}1&2&3 \ 4&5&6 end{bmatrix}=)(begin{bmatrix}-7&-8&-9 \ 2&4&6 end{bmatrix}). Previous Next Class 12
A manufacturer produces three products x, y, z which he sells in two markets. Annual sales are indicated below:
7. A manufacturer produces three products x, y, z which he sells in two markets. Annual sales are
Find x, if (A=\begin{bmatrix}x&-5&-1\end{bmatrix}) (\begin{bmatrix}1&0&2 \0&2&1\2&0&3
6. Find x, if (A=begin{bmatrix}x&-5&-1end{bmatrix}) (begin{bmatrix}1&0&2 \0&2&1\2&0&3 end{bmatrix})(begin{bmatrix}x\4\1 end{bmatrix}=O). Previous Next Class 12 Matrices Miscellaneous Exercise 1. If
If (A=\begin{bmatrix}3&1 \ -1&2\end{bmatrix}), show that (A^2-5A+7I=0).
5. If (A=begin{bmatrix}3&1 \ -1&2end{bmatrix}), show that (A^2-5A+7I=0). Previous Next Class 12 Matrices Miscellaneous Exercise 1. If A
For what values of x: (A=\begin{bmatrix}1&2&1\end{bmatrix}) (\begin{bmatrix}1&2&0 \2&0&1\1&0&2
4. For what values of x: (A=begin{bmatrix}1&2&1end{bmatrix}) (begin{bmatrix}1&2&0 \2&0&1\1&0&2 end{bmatrix})(begin{bmatrix}0\2\x end{bmatrix}=O?) Previous Next Class 12 Matrices Miscellaneous Exercise
Find the values of x, y, z if the matrix (A=\begin{bmatrix}0 & 2y & z \ x & y & -z \ x & -y & z
3. Find the values of x, y, z if the matrix (A=begin{bmatrix}0 & 2y & z \ x
Show that the matrix B’AB is symmetric or skew symmetric according as A is symmetric or skew symmetric.
2. Show that the matrix B’AB is symmetric or skew symmetric according as A is symmetric or skew
Coordinate Geometry Class 10 MCQ Test (100701)
Coordinate Geometry Multiple Choice Test 01
Prove that the following are irrationals:
3. Prove that the following are irrationals: (i) (1over{sqrt{2}}) (ii) (7sqrt{5}) (iii) (6+sqrt{2}) Previous Next Class 10 Real