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Factorise : m4 -18m²n²+81n4

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Factorise : m4 -18m²n²+81n4

Posted by Tanupreet Kaur 5 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Tanupreet Kaur 5 years, 1 month ago

Yogita please tell me the solution of a²+a+1/4

0Thank You

Isha ? 5 years, 1 month ago

I tried. And it is ( msquare - 9 n square) whole square

0Thank You

Isha ? 5 years, 1 month ago

Thank you yogita. I am isha. Thanks for your help. This q. Is similar to my doubt one.

0Thank You

Yogita Ingle 5 years, 1 month ago

m⁴ -18m²n²+81n⁴

=(m²)²-18m²n²+(9n²)²

( a- b)² = a² - 2ab + b²

So, (m²)²-18m²n²+(9n²)² = (m²- 9n²)²

2Thank You

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CBSE > Class 08 > Mathematics