Question

please tell me the answer

Answer 1

Answer:

Step-by-step explanation:

(p+q+r)²

Let p+q=x

then (p+q+r)²=(x+r)²=x2+r2+2xr

=(p+q)2+r2+2r(p+q)

=p2+q2+2pq+r2+2pr+2qr

=p2+q2+r2+2pq+2qr+2rp

=================================================

√1.0609

=√10609/10000

=√10609/100²

=1/100*√10609

=103/100