Hey there! We receieved your request
Stay Tuned as we are going to contact you within 1 Hour
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-5470-145
+91 7353221155
Use Coupon: CART20 and get 20% off on all online Study Material
Complete Your Registration (Step 2 of 2 )
Sit and relax as our customer representative will contact you within 1 business day
OTP to be sent to Change
Dear student,
Put Discriminat D>0
D=b2-4ac
for 1 cut on + side--> one root should be positive and one negativeso for this their product is neg. i.e b/c = 2(k-1)/(k+5) < 0 multiplying boyh up n down by (k+5) ( this is done so as to make deno positive as w dont know k-1 is positive or negative==> (k+5)(k-1) <0==> k belons to (-5,1)for tw0 cuts= both roots positive i.e b/c>0 and -b/a>0==> 2(k-1)/(k+5) >0 and -2(k-1) >0==> (k+5) k-1 >0 n k-1<0 k belongs to (-~,-5) U (1,+~) n k blngs to (-~,1)
so, for above commom slution is (-~,-5)thus final solution is bay taking union of both
k belongs to (-~,-5) U (-5,1)
Get your questions answered by the expert for free
You will get reply from our expert in sometime.
We will notify you when Our expert answers your question. To View your Question
Win Gift vouchers upto Rs 500/-
Register Yourself for a FREE Demo Class by Top IITians & Medical Experts Today !