If √5+1√5−1+√5−1√5+1=a+b√5, find the values of a and b.
Draw a number line and indicate the following integers on it:
(1) +4,−2,+5,−3,+3
(2)
(a) +2,−2
(b) +3,0
(c) +5,−4
(d) +6,+5
(e) −1,−2
(3)
(a) −4to+2
(b) +1to+5
(c) −6to+1
Factorize the expression: 1−25(a+b)2