Prove that the expression is equivalent to a certain binomial 1. (x+y)(x^2-xy+y^2)
2. (x-y)(x^2+xy+y^2)
3. (a+b)(a^3-a^2b+ab^2-b^3)
4. (a-b)(a^3+a^2b+ab^2+b^3)

infinite

Step-by-step explanation:

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

happy to

pls mark as brainliest

well we know there are 4 clubs in 52 cards so it’s replaced so it should be 3/51

step-by-step explanation: