Solve this:
Q. x 4 - 3 x 2 + x 2 + 3 x - 2 0

Dear student
We havex4-3x2+x2+3x-20x4-2x2+3x-20x4-x3+x2+2x3-2x2+2x-x3+x2-x-2x2+2x-20x2+2x-x-2x2-x+10xx+2-1x+2x2-x+10x-1x+2x2-x+10Computing the signs of  factors of x-1x+2x2-x+1


Choosing the ranges that satisfy  the required condition : 0x-2 or x1Interval notation: (-,-2][1,)
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