SLLEVEL-If a? + b- ? + 2ab = 0, then family of straight lines ax + by

1.	SLLEVEL-If a? + b- ? + 2ab = 0, then family of straight lines ax + by + c = 0 is concurrent at thepoints.(A) (-1, 1) (B) (1, -1) (C)(1, -2) (D) (-1,-1). (1,1)of otraight line perendicular to the pair of lines ay2 + 2xyby = has the
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SLLEVEL-If a? + b- ? + 2ab = 0, then family of straight lines ax + by + c = 0 is concurrent at thepoints.(A) (-1, 1) (B) (1, -1) (C)(1, -2) (D) (-1,-1). (1,1)of otraight line perendicular to the pair of lines ay2 + 2xyby = has the

Answer»

Answer:

thanks for the UPDATE and for your information and necessary ACTION PLEASE let me know

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SLLEVEL-If a? + b- ? + 2ab = 0, then family of straight lines ax + by + c = 0 is concurrent at thepoints.(A) (-1, 1) (B) (1, -1) (C)(1, -2) (D) (-1,-1). (1,1)of otraight line perendicular to the pair of lines ay2 + 2xyby = has the​

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SLLEVEL-If a? + b- ? + 2ab = 0, then family of straight lines ax + by + c = 0 is concurrent at thepoints.(A) (-1, 1) (B) (1, -1) (C)(1, -2) (D) (-1,-1). (1,1)of otraight line perendicular to the pair of lines ay2 + 2xyby = has the