Capgemini
Company
Numerical Ability
Algebra
ax2+bx+6/2x+1=1 and 2bx2+6x+a/3x-1=2 find a and b?
Read Solution (Total 4)
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- give option ?
- 9 years agoHelpfull: Yes(8) No(1)
- on simplyfying the above equations..................
we get,
(ax2+bx+5)/2 = (2bx2+6x+a-2)/6
on comparing the both the equations we get ....
3a=2b, 3b=6
hence
b=2, a=4/3 ; - 9 years agoHelpfull: Yes(3) No(25)
- put x=1 in both equations and solve the both equations
- 7 years agoHelpfull: Yes(1) No(0)
- f(x)= ax^2+bx+6/2x=0 .................(i)
F(x)=2bx^2+6x+a/3x-3=0 ..............(ii)
in both...(i) & (ii) put x=1 we get
a+b=-3 .......(iii)
a+6b=-9 .......(iv)
solving these (iii) & (iv) we get a=-9/5 , b=-6/5 - 7 years agoHelpfull: Yes(0) No(0)
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