Home
Class 12
MATHS
|[3,x],[x,1]|= |[3,2],[4,1]| then x is e...

`|[3,x],[x,1]|= |[3,2],[4,1]|` then x is equal to

A

2

B

4

C

8

D

`+-2sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

If the determinant |{:(x , 1 , 3) , ( 0 , 0 , 1) , (1 , x , 4):}|=0 , then x is equal to

If {:X=[(3,-4),(1,-1)]:} , the value of X^n is equal to

If 3^x=4^(x-1) , then x equals

If f(x)=log((1+x)/(1-x))andg(x)=(3x+x^(3))/(1+3x^(2)) , then f(g(x)) is equal to :

int x^(3)/(x+1) dx is equal to

If |[ x+1 ,2 ,3],[1 , x+2,3],[1, 2, x+3]|=0 , then x=0 and

If f(x)=|{:(1,x,x+1),(2x,x(x-1),(x+1)x),(3x(x-1),x(x-1)(x-2),(x+1)x(x-1)):}| then f (100) is equal to :

Let X= [[x_1],[x_2],[x_3]], A= [[1,-1,2],[2,0,1],[3,2,1]] and B= [[3],[1],[4]] and if A X=B , then X .

If f(x) = 1-x + x^(2) - x^(3) + …. - x^(99) + x^(100) , then f^(')(1) is equal to