Question

hey ppl ..solve this
find l a-b l, lal=2 lbl=3 a.b =4

Answer 1

\[|a-b| = \sqrt{(a-b)^2} = \sqrt{a^2 -2ab +b^2} = \sqrt{4 -8 +9} = \sqrt{5}\]

Answer 2

gud 1....

Answer 3

c d oder ques..

Answer 4

actually this problem is wrong

because
a = 2 or -2
b = 3 or 3
so
a*b = 6 or -6

Answer 5

b = 3 or -3 *