Question

solve... √(5-b)=b√(5-b)
I just dont understand how to do it...

Answer 1

b=1

Answer 2

how?

Answer 3

b can be 5 too

Answer 4

how do you get it?

Answer 5

square both the side, then make rhs 0
after facorising, u will get b=5, 1, -1
-1 can not be taken into account.
so, b=1,5

Answer 6

rhs?

Answer 7

right hand side

Answer 8

im still confused on this one because i keep getting a b^3