(22)" If "a+(1)/(a+2)=0" then the ralue of "(a+2)^(3)(1)/((a+2)^(3))

Let a,b and c be the roots of x ^(3) -x+1 =0, then the ralue of ((1)/(a+1)+(1)/(b+1)+(1)/(c+1)) equals to :

Let a,b and c be the roots of x ^(3) -x+1 =0, then the ralue of ((1)/(a+1)+(1)/(b+1)+(1)/(c+1)) equals to :

if A=[[1,22,3]] and A^(2)-kA-I_(2)=0 then the value of k is

If A=(1,2,3), then the relation R={(1,1)(2,2),(3,1),(1,3)} is

If |(x+1,1,1),(2,x+2,2),(3,3,x+3)|=0 , then the value of x is -

Find the value of : |(1,1^2,1^3),(1,2^2,2^3),(1,3^2,3^3)|

If A={1, 2, 3}, then the relation R={(1,1),(2,2),(3,1),(1,3)} , is

If A={1, 2, 3}, then the relation R={(1,1),(2,2),(3,1),(1,3)} , is

In A B C , if the orthocentre is (0,0) and the circumcenter is (1,2), then centroid of A B C) is (a) (1/2,2/3) (b) (1/3,2/3) (c) (2/3,1) (d) none of these

In A B C , if the orthocentre is (1,2) and the circumcenter is (0, 0), then centroid of A B C) is (a) (1/2,2/3) (b) (1/3,2/3) (c) (2/3,1) (d) none of these