Addition and Subtraction of a Matrix
Trending Questions
Q.
Find X if 2X+3Y=[2340]and 3X+2Y=[7−2−15]
⎡⎣−25125115−3⎤⎦
⎡⎣25−125−1153⎤⎦
⎡⎣25135145−2⎤⎦
⎡⎣−25−135−1452⎤⎦
Q. 17.The sum of all possible values of n where n belongs to N, x>0 and 10
Q.
Let A = [1625], B = [3449] then A + B =[461014]
True
False
Q. If ∣∣
∣
∣∣2x2+x3x−54x+3x+5−x26x−62x−35x+6−3x∣∣
∣
∣∣=ax5+bx4+cx3+dx2+ex+f ∀ x∈R, then the value of f is
- 0
- −8
- 14
- 5
Q.
-2 ≤ x ≤ 2
x < 2
-2 < x < 2
x > -2
Q. Tr:576. If n(A) 4, n(B) = 5, n(C) = 3 and n(A B) = 2.then the value of n((A x Cx B) (Bx C x A))is
Q. Let A+2B=⎡⎢⎣1206−33−531⎤⎥⎦ and 2A−B=⎡⎢⎣2−152−16012⎤⎥⎦. Then tr(A)−tr(B) has the value equal to
- 0
- 1
- 2
- none
Q. (25gj] + (5hm456] =
- Addition impossible
- (75+h4+g5+j]
- (75+hm4+g5+j6]
Q.
___
If A = ⎡⎢⎣248691875⎤⎥⎦ and B = ⎡⎢⎣123456789⎤⎥⎦ then the third element of the first row of A - B = -------