[" (i) "(1)/(4),-1],[" (iv) "1,-1]

The focus of the parabola y^(2) - x - 2y + 2 = 0 is (i) ((5)/( 4), 1) (ii) ((1)/(4),1) (iii) ((3)/(4),1) (iv) (1,1)

If the line x/a+y/b=1 passes through the points (2,-3) and (4,-5) then (a,b) is (i) (1,1) (ii) (-1,1) (iii) (1,-1) (iv) (-1,-1)

Multiplicative inverse of the matrix [[2,1],[7,4]] is (i) [[4,-1],[-7,-2]] (ii) [[-4,-1],[7,-2]] (iii) [[4,-1],[7,2]] (iv) [[4,-1],[-7,2]]

Multiplicative inverse of the matrix [[2,1],[7,4]] is (i) [[4,-1],[-7,-2]] (ii) [[-4,-1],[7,-2]] (iii) [[4,-1],[7,2]] (iv) [[4,-1],[-7,2]]

Multiplicative inverse of the matrix [[2,1],[7,4]] is (i) [[4,-1],[-7,-2]] (ii) [[-4,-1],[7,-2]] (iii) [[4,-1],[7,2]] (iv) [[4,-1],[-7,2]]

Multiplicative inverse of the matrix [[2,1],[7,4]] is (i) [[4,-1],[-7,-2]] (ii) [[-4,-1],[7,-2]] (iii) [[4,-1],[7,2]] (iv) [[4,-1],[-7,2]]

Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively.(i) (1)/(4),-1 (ii) sqrt(2),(1)/(3) (iii) 0,sqrt(5)( iv )1,1( v) -(1)/(4),(1)/(4) (vi) 4,1

f(x)={(atan^(-1)(1/(x-4)), if 0<=x<4), (btan^(-1)(2/(x-4)), if 4 < x < 6), (sin^(-1)(7-x)+a pi/4, if 6<=x<=9):} and f(4)=pi/2 is continuous on [0, 8] then (a, b)= (i)(1,1) (ii) (1,-1) (iii)(-1,1) (iv) (-1,-1)

Evaluate : (i) 5^(-2) (ii) (-3)^(-2) (iii) (1/4)^(-1) (iv) ((-1)/2)^(-1)

Find the octant in which the following points lie : (i) (2,3,-5) (ii) (-3,1,4) (iii) (-1,-1,2) (iv) (1,1,3) (v) (-5,-4,-1) (vi) (4,-1,2)