19-(+24)+(-13)-(-49)
If |■(1&t&t^2&t^3@t&1&t&t^2@t^2&t&1&t@t^3&t^2&t&1)|=(1-f(t))^p. Find the function f(t) and the power p?
$\frac{x+3}{x+2}$ >=2
87×2÷15=11.2
The density of nitrogen is 2.50kg/m^3 at s.t.p determine the density of nitrogen at 84°c and 740mmHg
How many terms of the series:
(i) - 9 - 6 - 3 ……… amount to 66?
(ii) 5 + 7 + 9 + …… amount to 192?
sec a (1-sin a)(sec a+tan a)=1
add 5y to the product of a and b an algebric expression
If 2x = 1/3(x-2)-2 then x = -1.6
0.5% of x is 45
