The degree of `2x^2+4x-x^3+1` is
`(A) 2`
`(B) 4`
`(C) 3`
`(D) 5`

{:("Column" A ,, "Column" B), ((3x^(2) - 5)- (2x^(2) - 5 + y^(2)) ,, (a) x^(2) + xy + y^(2)) , (9x^(2) - 16y^(2) ,, (b) 2) , ((x^(3) - y^(3))/(x-y) ,, (c) (9x + 16y) (9x - 16y)) , ("The degree of " (x + 2) (x+3) ,, (d) x^(2) - y^(2)) , (,, (e) 1) , (,, (f) (3x + 4y) (3x - 4y)):}

The sum of all real values of x satisfying the equation (x^2-5x+5)^(x^2+4x-60)=1 is: (A) 5 (B) 3 (C) -4 (D) 6

{:( "Column" A ,, "Column" B) , ("If" a^(2) - b^(2) = 16 "and" a- b = 2 "," "then" a + b,, "(a)" 3x^(2) - x - 11), ("The degree of " (x-a) (x-b) (x - c) (x-d) ,, "(b)" 3x^(2) - x + 5), (4x^(2) + 20xy + 25y^(2) ,, (c) 8), ((5x^(2) + 7x -3)- (2x^(2) + 8x -8) ,, (d) 4), (,, (e) (4x + 5y) (x+ 5y)), (,,(f) (2x + 5y)^(2)):}

If X^2+4x+3=0 , then the value of (X^3)/(X^6+27x^3+27 is (A) -1 (B) -frac(1)(2) (C) 1 (D) 1/2

The degree of -3x^(3) + 5x^(2) + 4 is "________" .

[ The number of real solutions of x^(2)-4|x|-2=0 is [ (a) 1, (b) 2 (c) 3, (d) 4]]

The order of the differential equation whose general solution is y=c_(1)sin^(3)x+c_(2)e^(2x)+c_(3)sin3x+c_(4)sin x+c_(5)e^(2x+c_(6) is (A) 2 , (B) 4 , (C) 3 , (D) "None of these"

If a, b, c, are in A.P, then the determinant |x+2x+3x+2a x+3x+4x+2b x+4x+5x+2c| is (A) 0 (B) 1 (C) x (D) 2x

If [[1,2],[3,1]][[x],[y]] = [[5],[5]] , then value of x+y is (A) 4 (B) 2 (C) 0 (D) 3

If [[1,2],[3,1]][[x],[y]] = [[5],[5]] , then value of x+y is (A) 4 (B) 2 (C) 0 (D) 3