Find the following products using Identity-III.
(
(i) (2x + 7y) (2x - 7y)
Answers
Answered by
1
Answer:
formula (a+b)(a-b) =a^2-b^2
(2x+7y)(2x-7y)
=(2x) ^2-(7y) ^2
=4x^2-49y^2(ans)
plz rate my answer..
Answered by
1
Answer:
4x² - 49y²
Step-by-step explanation:
(2x+7y)(2x - 7y)
=
(2x)² - (7y)²
=
4x² - 49y²
this is done by using formula
[ (a + b) (a - b) = a² - b² ]
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