If A and B are non-negative acute angles such that A + B`=pi/3` and y = tan A tan B, then (a) the minimum value of y is (b) the maximum value of y is 3 (c) the maximum value of y is (d) the minimum value of y is 0

Let y=sin^(2)x+cos^(4)x . Then, for all real x (a) the maximum value of y is 2 (b) the minimum value of y is 3/4

Let y=sin^(2)x+cos^(4)x . Then, for all real x (a) the maximum value of y is 2 (b) the minimum value of y is 3/4

Let y=sin^(2)x+cos^(4)x . Then, for all real x (a) the maximum value of y is 2 (b) the minimum value of y is 3/4

If a seven-digit number made up of all distinct digits 8, 7, 6, 4, 2, x and y divisible by 3, then (A) Maximum value of x-y is 9 (B) Maximum value of x+y is 12 (C) Minimum value of xy is 0 (D) Minimum value of x+y is 3

If a seven-digit number made up of all distinct digits 8, 7, 6, 4, 2, x and y divisible by 3, then (A) Maximum value of x-y is 9 (B) Maximum value of x+y is 12 (C) Minimum value of xy is 0 (D) Minimum value of x+y is 3

If a seven-digit number made up of all distinct digits 8,7,6,4,2,x and y divisible by 3, then (A) Maximum value of x-y is 9(B) Maximum value of x+y is 12(C) Minimum value of xy is 0(D) Minimum value of x+y is 3

If 2x+3y=4 , find the maximum or minimum value of xy.

If A-B=pi/4quad y=(1+tan A)(1-tan B) then value of (y)^(y+1)=

If A > 0, B > 0 and A+B=pi/6 , then the minimum value of tan A + tan B is

If x+y=8 , then the maximum value of x y is (a) 8 (b) 16 (c) 20 (d) 24