give me full Solutions of question 1 st 's (i)
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-1 -1 the correct and (may be wrong did it orally)
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a2+ 2a + 1 =0
a2+ 1a + 1a+ 1 =0
a(a+1) 1(a+1) = 0
:. a+1=0
:. a = 0
a2+ 1a + 1a+ 1 =0
a(a+1) 1(a+1) = 0
:. a+1=0
:. a = 0
incredibleayush:
sorry, idone a mistake a = -1
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