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Snehasish ghosh Asked a Question
July 6, 2020 11:03 pmpts 30 pts
  • 3 Answer(s)
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  • Vaishali sharma Best Answer
    https://images.app.goo.gl/EENXvrjL5DGS8oQy5 go through it
    Likes(1) Reply(4)
    Vaishali sharma
    it will help you definitely
  • Ruby negi thankyou
    but remember that as u add x+1, u are adding a x=-1 so after doing solution , u have to remove one solution of x...
    Likes(1) Reply(2)
    Snehasish ghosh
    Ma'am, if the question is x^9 -x^5+ x^4 -1 =0 ,then?
  • Ruby negi thankyou
    they add it just for making the question easy.. by adding x+1 u get formula of x^5+1...
    Likes(1) Reply(1)
    Ruby negi
    see this
  • Vaishali sharma
    same like this
    • cropped6083108610314391168.jpg
    Likes(1) Reply(4)
    Vaishali sharma
    like we did it
  • Chandra dhawan
    actually u have to ask about x+1 factor.. and how to come in that case bcoz if u are adding a term like x+1 then after that u have to remove one soluation of x.. best regards
    Likes(1) Reply(4)
    Chandra dhawan
    see
  • Deepak singh
    just multiply (x+1) both sides
    Likes(1) Reply(4)
    Snehasish ghosh
    why?
  • Ghost.
    In question you have various powers of x, so you have to put it in a compact form in order to use De-Movire theorm, so they have multiplied both side by (x+1) and as result LHS red...
    Show more
    Likes(0) Reply(2)
    Snehasish ghosh
    Is this topics needed for JAM?
  • Vaishali sharma
    because x = -1 will satisfy the equation so
    Likes(1) Reply(1)
    Snehasish ghosh
    Ma'am, but x= -1 does not satisfy the equation
  • Vaishali sharma
    if it satisfies the equation then x+1 will be one root of the equation. now we will furtger devide the whole equation with it
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  • Deepak singh
    this one..
    • cropped-1655350763.jpg
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