Question

find the following product using identity-III
(2x+7y) (2x-7y)​

Answer 1

Answer:

By the third identity...

( a + b ) (a - b) = a^2 - b^2

( 2x + 7y) (2x - 7y) = ( 2x) ^2 - (7y) ^2

= 4x^2 - 49y^2

MARK AS BRAINLIST.....

Answer 2

Step-by-step explanation:

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