[" 10.If "|[2x,5],[4,x]|=|[6,-2],[7,3]|," then value of "x" is memen "],[" Wh "3],[[D]+-3],[(C)+-6],[" (D) "6],[" anes "],[" R14.in "]

If |[2x,5], [8,x]|=|[6,-2], [7, 3]| , then x= (a) 3 (b) +-3 (c) +-6 (d) 6

If |2x5 8x|=|6-2 7 3| , then x= (a) 3 (b) +-3 (c) +-6 (d) 6

If 1/x+2/3= 1/(2x)+3/4 then the value of x is A) 2 B) 8 C) 6 D) 4

Find the value of x 'if : [[2x-y,5],[3,y]]=[[6,5],[3,-2]] a.1 b.2 c.6 d.5

If [2x+y,4x,5x-7 4x]=[7 7y-13 y x+6] , then the value of x+y is x=3 , y=1 (b) x=2 , y=3 (c) x=2 , y=4 (d) x=3 , y=3

If (5x)/2-1/4(6x-5/3) = 7/6 , then the value of x is _________

If x^2 + frac(1)(x^2) =7 , then the values of x + frac(1)(x) is (A) 2 (B) 3 (C ) 5 (D) 6

If 5:4 :: 30 : x , then the value of x is (a) 24 (b) 12 (c) 3/2 (d) 6

If x + (2)/(3 + (4)/(5+(7)/(6)))=10 , then the value of x is

Let |[x,2,x],[x^2,x,6],[x,x,6]|=a x^4+b x^3+c x^2+dx+edot Then, the value of 5a+4b+3c+2d+e is equal (a)0 (b) -16 (c) 16 (d) none of these