Copper holds the distinction of being the first metal used by humans, dating back over 10,000 years. A copper pendant found in northern Iraq, dated around 8700 B.C., underscores copper's longstanding utility in human civilization. For nearly five millennia, it was the only metal known and used for various applications.
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
