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{[10^(2y)=25,," तो "10^(-y)" (B) "(1)/(5...

{[10^(2y)=25,," तो "10^(-y)" (B) "(1)/(50)," (C) "(1)/(c)]

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If 10^(2y)=25, then 10^(-y) equals -(1)/(5)(b)(1)/(50) (c) (1)/(625) (d) (1)/(5)

If 10^(2y)=\ 25\ , then 10^(-y) equals (a) -1/5 (b) 1/(50) (c) 1/(625) (d) 1/5

If A=[(1,0),(1/2,1)] then A^50 is (A) [(1,25),(0,1)] (B) [(1,0),(25,1)] (C) [(1,0),(0,50)] (D) [(1,0),(50,1)]

If A=[(1,0),(1/2,1)] then A^50 is (A) [(1,25),(0,1)] (B) [(1,0),(25,1)] (C) [(1,0),(0,50)] (D) [(1,0),(50,1)]

The matrix of the transformation reflection in the line x+y=0 is (A) [(-1,0),(0,-1)] (B) [(1,0),(0,-1)] (C) [(0,1),(1,0)] (D) [(0,-1),(-1,0)]

The matrix of the transformation reflection in the line x+y=0 is (A) [(-1,0),(0,-1)] (B) [(1,0),(0,-1)] (C) [(0,1),(1,0)] (D) [(0,-1),(-1,0)]

The coordinates of the point of intersection of the lines (x-1)/1=(y+2)/3=(z-2)/(-2) with the plane 3x+4y+5z-25=0 is (A) (5,6,-10) (B) (5,10,-6) (C) (-6,5,10) (D) (-6,10,5)

The coordinates of the point of intersection of the lines (x-1)/1=(y+2)/3=(z-2)/(-2) with the plane 3x+4y+5z-25=0 is (A) (5,6,-10) (B) (5,10,-6) (C) (-6,5,10) (D) (-6,10,5)

Let a=sin10^(@), b =sin50^(@), c=sin70^(@)," then " 8abc((a+b)/(c ))((1)/(a)+(1)/(b)-(1)/(c )) is equal to

Let a=sin10^(@), b =sin50^(@), c=sin70^(@)," then " 8abc((a+b)/(c ))((1)/(a)+(1)/(b)-(1)/(c )) is equal to