Question

p²+q²+9r²+2pq+6pr+6qr

​

Answer 1

Answer:

(p+q+3r)^2

Step-by-step explanation:

use formula (a+b+c)^2

Answer 2

Answer:

hey mate

${p}^{2} + {q}^{2} + {9r}^{2} + 2pr + 6pr + 6qr$

${a}^{2} + { b}^{2} + {c}^{2} + 2ab + 2 +bc 2ac$

=

${a }^{2} + {b}^{2} + {c}^{2}$

${p}^{2} + {q}^{2} + {3r}^{2}$

I hope it helps

plss mark as brainlist answer