Question

@hwyl want some nice problems mate?

Answer 1

post it

Answer 2

spam


lol joke

what are your questions?

Answer 3

Find all real values of \(a\) for which \(x^4 - 2ax^2 + x + a^2 - a = 0\) has all its roots real.

Answer 4

ok calculating... this is what I found

http://prntscr.com/9isk8j

Answer 5

this is a problem for fun, not to find answer in the internet

Answer 6

:(

Answer 7

its easy but wont interfere :P

Answer 8

OK, try this one. Three random selections are made from the set {1, 2, 3, ..., 20}. What is the probability that the three selections are in arithmetic progression?

Answer 9

the answer is b

Answer 10

medal plz

Answer 11

????????????????????????????????????????????//

First of all, where did b get from. second plz show your work. third please do not ask for medals

Answer 12

I worked really hard on this, so is it so unfair to ask for a medal?

Answer 13

Please show your work.

Answer 14

`The answer is b.`

this is a direct answer without even showing your work.

Answer 15

Here is my work: