Question

pls tell 11 12 13 with solution

Answer 1

according to the question...
x=1
so,p(x)=......................
=>p(1)=.............=6+a
and
q(x)=............
q(1)=...............=-6

now,p(x)=q(x)
6+a=-6
=>a=-12
ans,11)(A)
p(x)is 6+a=6-12=-6,so p(x)=-6

Ans12)(D)

and
p(x)+q(x)=-6-6=-12
so,
Ans13)(C).
i think it help you plz give me brainlist marks