Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If the lines `x+ay=a, bx+y=b` and `cx+cy=1` are concurrent, then the value of `a/(1-a)+b/(1-b)+c/(1-c)` is - Sarthaks eConnect

(1-c)` is:

-1

none of these

Solution

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Best answer

`1{(1-b)(1-c)}-b{(a-1)(1-c)}+c{-(a-1)(1-b)}=0`