8+12-4*2
6-2*7/2
20-3+4
10.x23
Let ∗ 𝑑𝑒𝑓𝑖𝑛𝑒 𝑜𝑛 ℤ. Determine whether (ℤ,∗) is a group by letting 𝑥 ∗ 𝑦 = 𝑥𝑦 where
𝑥, 𝑦 ∈ ℤ.
show that x$^{2}$ + y $^{2}$ +z $^{2}$ > or equal to xy+yz+zxfor all x,y,z elements of real numbers
sinx/cos^2x
An object is moving in straight line following the relation s =13t
3+4t. Calculate
the velocity of the object after 2s. in d...
1/8 divided by 3
p/2 =