solve using suitable identities. (2a+7) (2a-7)
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Answered by
0
Answer:
heuebhehenejeuhe y i di sambandhit suvidha eka thikani sankalit hoil to be in the plug-in
Step-by-step explanation:
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Answered by
6
Answer:
4a² - 49
Step-by-step explanation:
(2a + 7) (2a – 7)
=> (2a)² – (1)²
=> 22a² – 7²
=> 4a² – 49
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