Evalute the determinants in queations 1 and 2 :
`[{:(2,4),(-5,-1):}]`

Evalute the determinants in queations 1 and 2 : If A=[{:(1,2),(4,2):}] , then show that |2A|=4|A|.

Evalute the determinants in queations 1 and 2 : If |{:(x,2),(18,x):}|=|{:(6,2),(18,6):}| , then x is equal to : (a) 6 (b) +-6 ( c) -6 0

Evalute the determinants in queations 1 and 2 : If A=|{:(1,0,1),(0,1,2),(0,0,4):}|

Evaluate the determinants in Exercises 1 and 2. {:[( 2,4),( -5,-1) ]:}

Evaluate the determinants in Exercises 1 and 2. {:|( 2,4),( -5,-1) |:}

Evalute the determinants in queations 1 and 2 : (i) [{:(costheta,-sintheta),(sintheta,costheta):}| (ii) |{:(x^(2)-x+1,x-1),(x+1,x+1):}|

Evalute the determinants in queations 1 and 2 : (i) [{:(costheta,-sintheta),(sintheta,costheta):}| (ii) |{:(x^(2),-x+1,x-1),(,x+1,x+1):}|

Evaluate the determinants in |2 4-5-1|

Evaluate the determinants in exercises 1 to 2. |(2,4),(-5,-1)|

Evalute the determinants in queations 1 and 2 : Find the values of x, if (i) |{:(2,4),(5,1):}|=|{:(2x,4),(6,x):}| (ii) |{:(2,3),(4,5):}|=|{:(x,3),(2x,5):}|