Question

write (p+2q+r)whole square in expand form .​

Answer 1

Answer:

(a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca.

so

p = a

2q = b

r = c

Step-by-step explanation:

p²+2q²+ r²+ 4pq + 4qr +2pr

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