Question
Why does a large fire in the open appear to be fanned by
strong winds?Solution
A fire in the open seems fanned by winds because hot air rises and cooler air rushes in to replace it, intensifying the flames.
The coefficients of ap and aq in the expression of (1 + a)p+q are
(i) Equal
(ii) Equal with opposite sign...
If the sum of the coefficients in the expansion of (a + b)n is 16384, then the greatest coefficient in the expansion is
Find both the maximum value and the minimum value respectively of 3a4 minus; 8a3 + 12a2 minus; 48a + 25 on the interval...
If the sum of the coefficients of all even powers of x in the product (1 + x + x2 + β¦ + x2n) (1 β x + x2 β x...
A certain number of books were distributed equally among a group of students in a class. Each student received a number of books equal to one-fifth of t...