S Saini New Member Joined May 11, 2018 Messages 2 Gender Male HSC 2018 Jul 4, 2018 #1 Find the value of n in the equation 2x^2 -5(n-1)x +12=0 If two roots are consecutive. The answer in the book is n= -1 , 3
Find the value of n in the equation 2x^2 -5(n-1)x +12=0 If two roots are consecutive. The answer in the book is n= -1 , 3
S Saini New Member Joined May 11, 2018 Messages 2 Gender Male HSC 2018 Jul 7, 2018 #2 is this the next step ( sub 2 into n ) 2x^2+5x+12=0 =-5 root 5^2 - 4(2)(12)/4 =-5 root 25 -96/4 there is no solution
is this the next step ( sub 2 into n ) 2x^2+5x+12=0 =-5 root 5^2 - 4(2)(12)/4 =-5 root 25 -96/4 there is no solution