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If x-2 and x-1/2 are the factor of PX+ 5x+r then show p=r |
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Answer» SINCE X-2=0 ;x=2 f(x)=P×2+5×2+r 0=2P+r+10 2P+r=-10 since x-1/2=0 x=1/2 f(x)=1/2P+5×1/2+r 0=1/2P+5/2+r P+2r=-5/2 on solving both equations we get sorry the SECOND equation is P+2r=-5 we get r=0 and p=-5 |
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