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If roots of x^2-(a-3)x+a=0 are such that...

If roots of `x^2-(a-3)x+a=0` are such that at least one of them is greater than 2, then a. `a in [7,9]` b. `a in [7,oo]` c. `a in [9,oo)` d. `a in [7,9]`

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If the coefficients of x^2a n d\ x^3 in the expansion of (3+a x)^9 are the same, then the value of a is a. -7/9 b. -9/7 c. 7/9 d. 9/7

If the coefficients of x^2a n d\ x^3 in the expansion o (3+a x)^9 are the same, then the value of a is -7/9 b. -9/7 c. 7/9 d. 9/7

If the coefficients of x^2a n d\ x^3 in the expansion o (3+a x)^9 are the same, then the value of a is -7/9 b. -9/7 c. 7/9 d. 9/7

If |x+2|lt=9 then x in (-7, 11) b. x in [-11 ,7] c. x in (-oo,7)uu(11 ,oo) d. x in (-oo,-7)uu[11 ,oo)

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If no solution of 3siny+12sin^3x=a lies on the line y=3x , then a in (-oo,-9)uu(9,oo) a a in [-9,9] a a in {-9,9} non eoft h e s e

If no solution of 3siny+12sin^3x=a lies on the line y=3x , then a in (-oo,-9)uu(9,oo) a a in [-9,9] a a in {-9,9} non eoft h e s e

For x^2-(a+3)|x|=4=0 to have real solutions, the range of a is a (-oo,-7]uu[1,oo) b (-3,oo) c (-oo,-7] d [1,oo)

The set of all value of a for which one root of equation x^2-ax+1=0 is less than unity and other greater than unity (A) (-oo,2) (B) (2,oo) (C) (1,oo) (D) none of these

For x^2-(a+3)|x|-4=0 to have real solutions, the range of a is a) (-oo,-7]uu[1,oo) b) (-3,oo) c) (-oo,-7] d) [1,oo)

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