Question

please solve this question I mark you brainlist​

Answer 1

Step-by-step explanation:

p(2)2+5(2)+r

p(4)+10+r

4p+10r

pr=14

hence proved.

p(1/2)2+5(1/2)+r

p(2)2+5(2)+r

p4+10r

pr=10

hence proved.

p=14

r=14