Solve using formula.
1
y2 + 1y = 2
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3
Answers
Answered by
1
Answer:
y= -2,1
Step-by-step explanation:
y²+y=2
y²+y-2=0
y²+2y-y-2=0
y(y+2)-1(y+2)=0
(y+2)(y-1)
y= -2,1
I think it is helpful for you
Answered by
0
Step-by-step explanation:
Y2+1/3y=2
Multiplying the equation by 3
3y^2+y=6
3y^2+y-6=0
On comparing with the equation
ax^2+bx+c=0
a=3,b=1,c=-6
Now
b2-4ac=(1)^2-4X3X(-6) = 1+72=73
X=-b+ root b2- 4ac
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