q^4-4q^3+8q^2-4q-1=0 求q的值

q^4-4q^3+8q^2-4q-1=0 求q的值
q^4-4q^3+8q^2-4q-1=0 求q的值

q^4-4q^3+8q^2-4q-1=0 求q的值
=q^4-q^3-3q^3+3q^2+4q^2+q^2-4q-1
=q^3(q-1)-3q^2(q-1)+4q(q-1)+(q^2-1)
=q^3(q-1)-3q^2(q-1)+4q(q-1)+(q+1)(q-1)
=(q-1)(q^3-3q^2+5q+1)
=(q-1)(q^3-q^2-3q^2+3q+q^2+2q+1)
=(q-1)[q^2(q-1)-3q(q-1)+(q+1)^2]
得：q=1

0.3Q^2-12Q 140=8Q-0.4Q^2 0.3Q^2 0.4Q^2-12Q-8Q 140=0 0.7Q^2-20Q 140=0 x1=(100 10√2)/7 x2=(100-10√2)/7 0.3Q

Step by Step Potty Training Guide - Toddler Will Understand to Potty Training Better
Potty training guide is a vital thing to be finished to help your child to revise their diapers to usual underw...

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Step by Step Potty Training Guide - Toddler Will Understand to Potty Training Better
Potty training guide is a vital thing to be finished to help your child to revise their diapers to usual underwear. Potty training guide requests great deals of patience and will takes so much time to do. The most vital things in potty training guide are not to get dispirited and to use support and treats rather than harshness and punishment.
Before you set off potty training guide,replica oakley sunglasses, there are also some toilet training have to haves that are included in this potty training guide to help you go through the approach of toilet training a little easier.
Toilet Training Supplies
In this potty training guide, you have to first prepare toilet training supplies particularly toilet training pants. These pants look as if underwear and will help your child shift among diapers and underpants which are spongy and will help to stop accidents. Potty training pants are great for nighttime when your little one will most possible not be able to make it through the night without wetting the bed.
The next vital supplies in potty training guide are a mattress pad. This is in essence a layer between the sheets and the mattress. It stops your mattress from getting dirty and allowing you to clean up after those inescapable nighttime accidents without too much fuss. When the nighttime accident go ons,radii shoes sale, you just have to change the sheets and clean the mattress pad by wiping it.
If your child has started to go successfully in the potty and is easily telling you when he or she requests to use the bathroom,mbt cip?, it might be time to use the grown ups toilet. A toilet training seat will help to accommodate small bottoms on big toilets and make the toilet seem less menacing.
Start Slow
All potty training guides will recommend you to begin slow and be enduring to your little one. The child requests more time to grasp the idea on the subject of why they shouldd do potty training and you have to repeat for many times until they can figure out the concept. One good way to initiate is to dump the contents of a soiled diaper into the potty and explain that this is what the potty is for.
Potty training guide that worth to add to the number of trips to the bathroom is to initiate the manner when your child just woken up in the morning. Once your child accustomed with this routine,Oakley sunglasses sale, you can add to the frequency of trips to the bathroom. During the approach potty,herve leger skirts, you should explain why potty should be used and how it is all part of growing up. A potty training guide that works requests reliability to work, so just be more patient because it all need approach.
Are you still at sea of knowing more about potty training guide? Just look around and click the links your best answer herein!
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