If ` |x^2|+|x|-2=0` then the value of x is equal to

If f(x)={{:((sin2x)/(cx)+(x)/((sqrt(x+a^(2))-a)),,,xne 0"," (alt0)),(b,,,x=0","(bne0)):} and f(x) is continuous at x = 0, then the value of bc is equal to

If f(x)={{:((sin2x)/(cx)+(x)/((sqrt(x+a^(2))-a)),,,xne 0"," (alt0)),(b,,,x=0","(bne0)):} and f(x) is continuous at x = 0, then the value of bc is equal to

If log_(sinx)(cos x) = (1)/(2) , where x in (0, (pi)/(2)) , then the value of sin x is equal to-

If log_(sinx)(cos x) = (1)/(2) , where x in (0, (pi)/(2)) , then the value of sin x is equal to-

If x^(4)+x^(3)+x^(2)+x+1=0,(x!=0) then value of x^(5) is equal to

If A=[(2,1),(0,x)] and A^(-1)=[(1/2,1/6),(0,1/x)] , then the value of x is equal to

If A = [(2,1),(0,x)] and A^(-1) = [((1)/(2),(1)/(6)),(0,(1)/(x))] , then the value of x is equal to