Math, asked by ganeshkumarsinghknt, 7 hours ago

(a + 1) × (a – 1) = ?

a) a² + 1 b) a² - 1 c) a² - 2a + 1 d) a² + 2a + 1

Answers

Answered by deveshdubeygola19

0

Answer:

b) a²-1

Step-by-step explanation:

Because

(a+1)×(a-1)=a²-1²=a²-1

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