sin 7x = sin 3x
2x²-7x-3=0
6y²+5y-4=0
11/7 as a mixed number
iv) The following figures show the distribution of digits in numbers chosen at random from a telephone directory.
Digits 0 1 2 3 ...
0=2x²-14x+9
4x²+16x+15=0
8m + 3n - 2m + n - m
-2x+1x/3=7/3-4/1.x
cosh(l*a)senh(l*a)
simplifica
