IIT JAM
Ashwini Asked a Question
June 19, 2020 8:04 pmpts 30 pts
  • IIT JAM
  • Mathematics (MA)

Show +hoct he eguah on -1s+i=o hashoree soluhons in the intervau-4,4

show +hoct he eguah on -1S+I=o hashoree soluhons in the intervau-4,4
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  • Ashish sharma
    dear prabhupada, plz see the graph...it intersects at 3points
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  • Prabhupada
    draw graph of y=x³ and y=15x-1 ... and then show that they intersect at exactly three points
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  • Vaishnavi rajora
    see attached.
    • cropped3409776289385056552.jpg
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    Vaishnavi rajora
    Verify that by plugging in the values, -4,-3,-2,-1,0,1,2,3 and 4. If the value changes from positive to negative, ( or negative to positive) then there's a root between those point...
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  • Arzoo Best Answer
    see the attachment (Important question)...
    • cropped1767506587140131762.jpg
    • cropped3434027341322687930.jpg
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  • Vishal goswami
    see attachment
    • cropped7868933876035079225.jpg
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  • Srinath
    Use the change of sign rule. Using that, you'll observe that there are two positive roots and one negative root. Verify that by plugging in the values, -4,-3,-2,-1,0,1,2,3 and 4. I...
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