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 Whether the point (2,6) lies on, inside or outside the parabola 2x - y 2 + 2y +3 = 0.

Find Whether the point (2,6) lies on, inside or outside the parabola 2x - y2 + 2y +3 = 0.

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear pratik

2x - y2 + 2y +3 = 0

convert it in to standard form

(y-1)2 -2(x+2)=0

let S =(y-1)2 -2(x+2)

now put point S1 =17>0

 so point lie outside the parabola

now solve it with another method

 let S =2x - y2 + 2y +3

put point

S1= -17

 this result gives that point lie inside the parabola

 

but you should careful that in standard form coefficient of y2   

 is positive so you must take  y2 as a positive coefficient in general form

so you will take S =-2x + y2 - 2y -3

 

Regards

Badiuddin


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