Question

The teacher studies pupils 2 points
group behaviour mainly by
which of the following
methods? *
Interview
Experimentation
O Case history
Observation​

Answer 1

Answer:

inn on oc on in ex in u ex in

Answer 2

Explanation:

x=5+35−3

x=5+35−3×5−35−3=25+3−215=4−15

y=5−35+3

y=5−35+3