Question icon
Grade 12Algebra

consider the equation |x^2-2x-3|=m,:m belongs to R

1] values of m so that the given equation has four solution in the interval

2] if the eqn has 3 soln then

3]if the given eqn has two solutions then

Profile image of Aakriti Sinha
13 Years agoGrade 12
Answers icon

1 Answer

Profile image of Vikas TU
13 Years ago

Graph of |x^2-2x-3| is:

Now,

 1] values of m so that the given equation has four solution in the interval =

If m belongs to (0,4)

2] if the eqn has 3 soln then =

m belongs to {4}

 

3] if the given eqn has two solutions then:

m belongs to (4, U {0}

 

 

Plz Approve!