Math, asked by leenakunjumon3, 4 days ago

using identity find : (8+9n)(8-9n)

Answers

Answered by divinesha2007

1

Step-by-step explanation:

the identity applied here is a²- b²

(8+9n)(8-9n)

=8²-(9n)²

=16-18n²

hope this helps...

Answered by krishpmlak

1

Answer:

Step-by-step explanation:

By using identity : (a + b) ( a - b) = a² - b²

( 8 + 9n ) ( 8- 9n )

= ( 8 )² - ( 9n )²

= 16 - 81n² is the answer.

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