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If a, b and c are in AP then the straigh...

If `a, b and c` are in AP then the straight lines `ax+by+ c =0` will always pass through. …..... .

Text Solution

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The correct Answer is:
Line passes from point `(1,-2)`.
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Knowledge Check

  • If a,b,c,d,e,f are in A.P. then d-b= ……

    A
    `2(c-a)`
    B
    `2(f-c)`
    C
    `2(d-c)`
    D
    `2(f-b)`

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