IF` A=[[2,4],[-1,k]]` and `A^2=0` then find the value of k

If A=[[2,4],[-1,k]] and A^2=0 then find k

If A=[[2,4],[-1,k]] and A^2=0 , rhen find the value of k

If A=[[1, 2],[ 4, 2]], then find the value of k if |2A|=k\ |A|

If K is constant such that xy + k = e ^(((x-1)^2)/(2)) satisfies the differential equation x . ( dy )/( dx) = (( x^2 - x-1) y+ (x-1) and y (1) =0 then find the value of K .

If A=[{:(0,2),(3,-4):}] and k A =[{:(0,3a),(2b,24):}], then find the value of b-a-k.

If sum_(n=0)^oo2cot^(-1) ((n^2+n-4)/2)=kpi then find the value of k

If A=[(2, 3),(5,-2)] be such that A^(-1)=k\ A , then find the value of k .

If 1/2 is a root of the equation x^2+kx-5/4=0, then find the value of k.

If int_0^1(3x^2+2x+k)dx=0, find the value of k

If for n in N ,sum_(k=0)^(2n)(-1)^k(^(2n)C_k)^2=A , then find the value of sum_(k=0)^(2n)(-1)^k(k-2n)(^(2n)C_k)^2dot