A rectangular field is 20 meters by 12 meters. Find its perimeter.
x^2=8
200/p-2 - 132/q=18 , 168(q+1)/375p=8/5
(25)³/⁵
Let * be a binary operation defined on N × N, by (a, b) * (c, d) = (ac, bd).
i. Show that * is commutative and associative.
...
$$\int2x^4*(e^(lnx)) d\{x}$$
D+D+D=30
D+B+B=20
B+2F+2F=9
B+F*D=?
A large track of land was distributed to tenants who
each got eight hectares. If there are 32 tenants,
what was the original lan...
y=x²+2x
k(2h-k)+(2h-k)