Find the following products using an identity.
a) (2a + b)(2a - b) =
Answers
Answered by
12
Answer:
Step-by-step explanation:
a) (2a + b)(2a - b) =(2a)²-(b)²
Answered by
17
Answer:
4a² - b²
Step-by-step explanation:
(2a + b) × (2a - b)
= (2a)² - (b)² [∵by using identity (a + b)(a - b) = a² - b²]
= 4a² - b²
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