anonymous
  • anonymous
HOW TO PROVE THAT A FUNCTION DOES NOTHAVE A SOLUTION WITHIN AN INTERVAL
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
x**4 – 3x**2 + x-10 cannot have a root inside (0,2)....
anonymous
  • anonymous
I am suppose to prove it does'nt have a root
anonymous
  • anonymous
Imagine this situation.....we are nt given graph of that function and it can also be a function which takes a sharp turn somewhere...like just started increasing...thn....ur statement is invalid

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anonymous
  • anonymous
in case of sinx (pi/2 to 5*pi/2).......both f(a)=f(b) and +ve and still it has a roots
anonymous
  • anonymous
i just gave an contradicting example
anonymous
  • anonymous
I am sorry if i have offended you...the thing is the proof i shld submit shld be solid hard ...U do get that there would be a function whose f(a) and f(b) are positive nd still it has a root like a parabola facing upwards(-2,2)

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