Question

$1 + 18pq + 81 {p} {}^{2} q {}^{2}$
question :state whether or not the expression is a trinomial square or not. It it is, factorise the expression


please solve this step by step
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Answer 1

Answer:

yes it is a trinomial square

Step-by-step explanation:

Hope it help......

Answer 2

Answer:

(1)^2 +2×1×9pq+(9pq)^2

(1+9pq)^2

Answer....