If {x}^{2}+2 {y}^{2}-2 {xy}-2 \\geq {k}({x}+2 {y}) \forall {x}, {y} \\in {R}, then find the number of integer values of {k} ?

JEE Advanced 2021 Full Test 4 Paper 1

SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded-off to the second decimal place; e.g. XXXXX.XX).

Question : 49 of 54

Marks: +1, -0

If x2+2y2−2xy−2≥k(x+2y) ∀x,y∈R, then find the number of integer values of k ?

Your Answer:

Validate

Go to Question:

Prev Question

Next Question