If `X/5 = 1` , then
( a ) `X = 1/5`
( b ) X = 5
( c ) X = ( 5 + 1 )
( d ) None

Let A=[1 2 3-5] and B=[1 0 0 2] and X be a matrix such that A=B X , then X is equal to 1/2[2 4 3-5] (b) 1/2[-2 4 3 5] (c) [2 4 3-5] (d) none of these

If 2x-5=x+1 then x is , a. 0 b.1 c.6 d.7

If (x+(1)/(x))=2, then (x-(1)/(x)) is equal to (a) 0 (b) 1 (c) 2 (d) 5

If tan^(-1)3+tan^(-1)x=tan^(-1)8 , then x= (a) 5 (b) 1//5 (c) 5//14 (d) 14//5

If x+(1)/(x)=5, then x^(2)+(1)/(x^(2))=25 (b) 10 (c) 23 (d) 27

If the rank of the matrix [[4,2,1-x],[5,k,1],[6,3,1+x]] is 2 then .k= (5)/(2) ,x= (1)/(5) k= (5)/(2) , x!=(1)/(5) k= 1/5 , x= 5/2 none of these

If [(2x+y,0),(5,x)] = [(5,0),(5,3)] then y is equal to (a) 1 (b) 3 (c) 2 (d) -1

If x+2 is a factor of x^2+a x+2b and a+b=4 , then (a) a=1, b=3 (b) a=3, b=1 (c) a=-1, b=5 (d) a=5, b=-1

If 289=17^(1/5x), then x=? a. 2/5 b. 8 c. 16 d. 32

If x^(3)+(1)/(x^(3))=110, then x+(1)/(x)=5 (b) 10 (c) 15 (d) none of these