Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Find the value of a for which points (a,2a+1) does not lie outside the parabola y=x^2+x+1)

Find the value of a for which points (a,2a+1) does not lie outside the parabola y=x^2+x+1)

Grade:11

1 Answers

Arun
25763 Points
3 years ago
Dear Avni
 
If a point lies inside the curve S,
Then
S1 should be less than 0
S1 
Now
2a +1 - a² -a -1
a² -a>0
a(a-1) >0
Hence
a bongs to [1, infinity) and ( - infinity, 0]
 
Regards
Arun (askIITians forum expert)

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free