" 5.Determine the value of "k" for which "|[k,k],[4,2k]|=0

Determine the value of k for which k^2+4k + 8, 2k^2+ 3k + 6 and 3k^2 +4k + 4 are in A.P.

In the following, determine the set of values of k for which the given quadratic equation has real roots: (i) 3x^2+2x+k=0 (ii) 4x^2-3k x+1=0 (iii) 2x^2+k x-4=0

Find the values of k for which (4-k)x^2+(2k+4)x+(8k+1)=0 has real and equal roots.

Find the values of k for which (4-k)x^(2)+(2k+4)x+(8k+1)=0 has real and equal roots.

The least integral value of 'k' for which (k -2)x^2 +8x+k+4>0 for all xepsilonR, is:

The least integral value of 'k' for which (k -2)x^2 +8x+k+4>0 for all xepsilonR , is:

4. Value of k, for which A = [[k,8],[4,2k]] is a singular matrix is: a) 4 b) -4 c) +-4 d) 0

Find the values of k for which 4x^2-2(k+1)x+(k+4)=0 has real and equal roots.

Find the values of k for which 4x^(2)-2(k+1)x+(k+4)=0 has real and equal roots.

If 'A' is orthogonal matrix and k=|A|^(2) then the value of |[k,2k],[3k,4k]| is