Math, asked by sayantech07, 5 months ago

factorise : p4 + 9p2q2 + 81q4​

Answers

Answered by ranikumaribehera3
2

Step-by-step explanation:

p4+9p2q2+81q4 = p4+18p2q2+(9q2)2-9p2q2

= (p2+9q2)2 - (3pq)2

=(p2-3pq+9q2)(p2+3pq+9q2)

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