Doubt
pratik singhal (z) (276 Points)
09 March 2013
If a and b are the roots of equation
2x2+3x+7 then the value of ab-1 and ba-1
is? Ans is -19/14. Any one knows how?
3 Replies
pratik singhal
(z)
(276 Points)
Replied 09 March 2013
If a and b are the roots of equation
2x2+3x+7 then the value of ab-1 and ba-1
is?
pratik singhal
(z)
(276 Points)
Replied 09 March 2013
2x2( 2x square) ab-1 (ab power-1) same for ba-1
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