So, minus 4 into A is 12 into 1 is 12, so minus 4 into minus 3 is plus 12 So, you get plus 12 here by 2 A, so which is minus 6 So, you have 2 plus or minus square root of 16 by 6 So, this is simply we will put it right here we have therefore, alpha is equal to 2 plus or minus 4 by 6 So, alpha can be pi minus 6 here
तर हे आम्ही येथेच ठेवू, म्हणूनच आपल्याकडे अल्फा हे 2 प्लस किंवा ऋण 4 ते 6 इतके आहे.