Let `A=[(2,b,1),(b,b^(2)+1,b),(1,b,2)]` where `b gt 0`. Then the minimum value of `("det.(A)")/(b)` is

Let A = [{:(2, b,1),(b, b^(2)+1,b),(1, b,2):}], " where "b gt 0 . Then, the maximum value of ("det"(A))/(b) is

If ab gt 0 , then the minimum value of (a+b)((1)/(a)+(1)/(b)) is

Let a,b>0, let 5a-b,2a+b,a+2b be in A.P.and (b+1)^(2),ab+1,(a-1)^(2) are in G.P. then the value of (a^(-1)+b^(-1)) is

Let A={:((1,2),(3,4):}) and B={:((a,0),(0,b)):} , where a,b in N , then

If A=[{:(2,3),(-1,-2):}] and B=sum_(r=1)^(10)A^r , then the value of det (B)is equal to

Let f(x)=(1+b^(2))x^(2)+2bx+1 and let m(b) the minimum value of f(x) as b varies, the range of m(b) is (A) [0,1](B)(0,(1)/(2)] (C) [(1)/(2),1](D)(0,1]

Let f(x)=(1+b^(2))x^(2)+2bx+1 and let m(b) be the minimum value of f(x). As b varies,the range of m(b) is [0,} b.(0,(1)/(2)) c.(1)/(2),1 d.(0,1]

Let f(x0=(1+b^(2))x^(2)+2bx+1 and let m(b) be the minimum value of f(x). As b varies, the range of m(b) is

Let f(x)=(1+b^(2))x^(2)+2bx+1 and let m(b) be the minimum value of f (x). As b varies, the range of m (b) is