If \( a^{2}+b^{2}-a b-a-b+1 \leq 0, a, b \leq R \), then \( a+b \) ... VIDEO
If \( a^{2}+b^{2}-a b-a-b+1 \leq 0, a, b \leq R \), then \( a+b \) is equal to:
(A) 5
(B) 2
(C) 9
(D) 4
\( \mathrm{P} \)
W
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2023-02-14 A slab of high quality flat glass, with parallel faces, is placed in the path of a parallel ligh... 2023-02-14 A parallel glass slab of refractive index \( \sqrt{3} \) is placed in contact with an equilatera... 2023-02-14 Which of the following is a singleton set?
(A) \( \quad(x:|x|=5, x ... 2023-02-14 A body of mass \( m \) falls from a height \( h \) onto the pan of a spring balance. The masses ... 2023-02-14 Two plane mirrors are inclined to each other at angle \( \theta \). A ray of light is reflected ... 2023-02-14 The time taken by a particle performing SHM to pass from point \( A \) to \( B \) where its velo... 2023-02-14 A ray of light is incident on the left vertical face of a glass cube of refractive index \( \mu_... 2023-02-14 Two radioactive materials \( X_{1} \) and \( X_{2} \) have decay constants \( 10 \lambda \) and ... 2023-02-14 An observer can see, through a pin-hole, the top end of a thin rod of height \( h \), placed as ... 2023-02-14 Two plane mirrors are inclined to each other such that a ray or light incident on the first mirr... 2023-02-14 If \( a^{2}+b^{2}-a b-a-b+1 \leq 0, a, b \leq R \), then \( a+b \) ... 2023-02-14 Let \( z_{1}, z_{2}, z_{3} \) be non-zero complex numbers satisfyin... 2023-02-14 If \( X=\left\{8^{n}-7 n-1 / n \in N\right\} \) and \( Y=\{49(n-1) ... 2023-02-14 A particle is executing SHM according to the equation \( x=A \cos \omega t \). Average speed of ... 2023-02-14 Angie between tangents drawn from the point \( \mathrm{P}(\sqrt{3},... 2023-02-14 If \( \mathrm{n} \) objects are arranged in a row, then the number ... 2023-02-14 A plane mirror having a mass \( m \) is tied to the free end of a massless spring of spring cons... 2023-02-14 The focal length of a concave mirror is \( f \) and the distance from the object to the principa... 2023-02-14 The distance between the directrices of the ellipse \( \frac{x^{2}}... 2023-02-14 The line \( y=m x \) bisects the area enclosed by the curve \( y=1+... 2023-02-14 Sun radiates energy in all direction. The average energy received at earth is \( 1.4 \mathrm{KW}...