30 times 4 equals 120
X4.
1
264
-6x3 + 4x7 - 0.8x2 + x4 - 5x5 = 4x7 - 5x5 + x4 - 6x3 - 0.8x2 = x2 (4x5 - 5x3 + x2 - 6x - 0.8)
( -12 x8 y8 ) / ( 3 x4 y2 ) = -4 x4 y6
20" x 30" x4"
75 2'x4'=8' squared 20'x 30'= 600' squared 600/8=75
10/x3 = 10 x-3d/dx(10x-3) = -30 x-4 = -30/x4
X4.
1
(x4 - 3)(x4 + 3)
1817 litres
sqrt(x4) = x4/2 = x2
264
To demonstrate that the function x3 is in the set o(x4), you can show that the limit of x3 divided by x4 as x approaches infinity is equal to 0. This indicates that x3 grows slower than x4, making it a member of the set o(x4).
(x2 + y2)(x + y)(x - y) = x4 - y4.
x times x times x times x = x4