The value of the determinant `|[2,4],[-1,2]|` is a) -8, b) 8, c) 2, d) 0

If the value of the determinant |(a,1, 1) (1,b,1) (1,1,c)| is positive then a. a b c >1 b. a b c> -8 c. a b c -2

The value of the determinant |(1,a,a^2-bc),(1,b,b^2-ca),(1,c,c^2-ab)| is (A) (a+b+c),(a^2+b^2+c^2) (B) a^3+b^3+c^3-3abc (C) (a-b)(b-c)(c-a) (D) 0

The value of the integral int_(-2)^2|1-x^2|dx is a. 4 b. 2 c. -2 d. 0

If a,b,c and d are the roots of the equation x^(4)+2x^(3)+4x^(2)+8x+16=0 the value of the determinant |{:(1+a,1,1,1),(1,1+b,1,1),(1,1,1+c,1),(1,1,1,1+d):}| is

Find the values of the following determinants |{:(4,0,2),(1,5,-6),(3,-2,8):}|

If secx+sec^2x=1 then the value of tan^8x-tan^4x-2tan^2x+1 will be equal to 0 (b) 1 (c) 2 (d) 3

The value of tan6^0tan42^0tan66^0tan78^0 is (a)1 (b) 1/2 (c) 1/4 (d) 1/8

The value of "{"8^(-4/3)-:2^(-2)")"^(1/2) is (a) 1/2 (b) 2 (c) 1/4 (d) 4

The cofactor of the element '4' in the determinant |(1,3,5,1),(2,3,4,2),(8,0,1,1),(0,2,1,1)| is

If the line x-1=0 is the directrix of the parabola y^2-k x+8=0 , then one of the values of k is (a) 1/8 (b) 8 (c) 4 (d) 1/4