Activated carbon or activated charcoal is commonly used to remove undesirable odors from water. Activated carbon is a highly porous material that can effectively adsorb organic compounds that cause odor, such as hydrogen sulfide and volatile organic compounds (VOCs), as well as other impurities that may be present in the water.
If the sum of the coefficients in the expansion of (a + b)n is 16384, then the greatest coefficient in the expansion is
The coefficients of ap and aq in the expression of (1 + a)p+q are
(i) Equal
(ii) Equal with opposite sign...
If 3x + 2y = 15 and y² – 6y + 9 = 0, then find (x, y)
Find both the maximum value and the minimum value respectively of 3a4 minus; 8a3 + 12a2 minus; 48a + 25 on the interval...