a
![a { }^{2} + 2a + 1 a { }^{2} + 2a + 1](https://tex.z-dn.net/?f=a+%7B+%7D%5E%7B2%7D+%2B+2a+%2B+1)
answer these questions please
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a=-1................
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Hope it helps you ✌✌
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Thankyou ☺☺
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