D E F G H
If [8(x + y)3 – 27(x – y)3] ÷ (5y – x) = Ax2 + Bxy + Cy2, then the value of (A2 - 2B + 3C)...
A, B and C are three points on a circle such that the angles subtended by the chord AB and AC at the centre O are 110° and 130°, respectively. Then th...
If √x + 1/√x = 2 then find the value of 3x2 + 1/3x2.
If 
= 2 then find
If (x24 + 1)/x12 = 7, then the value of (x72 + 1)/x36 is
A boat covers a distance of 75 km downstream in 2.5 hours. If the ratio of upstream speed to downstream speed of the boat is 3:5, then find the distance...
If x2 - 7x + 1 = 0, then find the value of:
3 + ( x 6 + x 4 + x 2 + 1)/ 7x 3
If (x2 + y2) = 9 and (xy)2 = 3, then find the value of (x4 + y4).
If x, y and z are real numbers such that (x-5)2+(y-7)2+(z-9)2= 0 then (x+y+z) is equal to
If a +`1/b` = 1 and b +`1/c` =1 , then the value of c +`1/a` is
