If the function \( f(x)=\left\{\begin{array}{r}k x+5, \text { when } x \leq 2 \\ x-1, \text { wh...

Channel:
PW Solutions
Subscribers:
456,000
Published on ● Video Link: https://www.youtube.com/watch?v=zPY5gXLjYzc


Duration: 3:05
1 views
0

If the function \( f(x)=\left\{\begin{array}{r}k x+5, \text { when } x \leq 2 \\ x-1, \text { when } x2\end{array}\right. \) is continuous at \( x=2 \) then \( k= \) ?
(a) 2
(b) \( -2 \)
(c) 3
(d) \( -3 \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-19Four thin uniform rods each of length \( L \) and mass \( m \) are joined to form a square. The ...
2022-11-19If \( y=\tan ^{-1}(\sec x+\tan x) \) then \( \frac{d y}{d x}=? \) (a) \( \frac{1}{2} \) (b) \( \...
2022-11-19A wheel having moment of inertia \( 4 \mathrm{~kg} \mathrm{~m}^{2} \) about its symmetrical axis...
2022-11-19The moment of inertia of a thin square plate \( A B C D \) of uniform thickness about an axis pa...
2022-11-19Three rods each of mass \( m \) and length \( L \) are joined to form an equilateral triangle as...
2022-11-19A wheel starts from rest and attains an angular velocity of 20 radian/s after being uniformly ac...
2022-11-19Three solid spheres each of mass \( P \) and radius \( Q \) are arranged as shown in fig. The mo...
2022-11-19Four spheres of diameter \( 2 a \) and mass \( M \) are placed with their centres on the four co...
2022-11-19A thin wire of length \( I \) and mass \( m \) is bent in the form of a semicircle as shown. Its...
2022-11-19If \( x=a \sec \theta, y=b \tan \theta \) then \( \frac{d y}{d x}=? \) (a) \( \frac{b}{a} \sec \...
2022-11-19If the function \( f(x)=\left\{\begin{array}{r}k x+5, \text { when } x \leq 2 \\ x-1, \text { wh...
2022-11-19is continuous at \( x=0 \), is (a) 7 (b) 4 (c) 3 (d) none of these
2022-11-19If \( y=\sec ^{-1}\left(\frac{x^{2}+1}{x^{2}-1}\right) \) then \( \frac{d y}{d x}= \) ? (a) \( \...
2022-11-19If \( y=x^{x^{x \ldots \infty}} \) then \( \frac{d y}{d x}= \) ? (a) \( \frac{y}{x(1-\log x)} \)...
2022-11-19Find \( \frac{d y}{d x} \), if \[ x^{y} \cdot y^{x}=1 \]
2022-11-19Let \( f(x)=\left\{\begin{aligned} x \sin \frac{1}{x}, & \text { if } x \neq 0 \\ 0, \text { whe...
2022-11-19If \( y=\sqrt{x+\sqrt{x+\sqrt{x+}}} \ldots \infty \) then \( \frac{d y}{d x}= \) ? (a) \( \frac{...
2022-11-19Electrolysis of fused rubidium hydride liberates hydrogen at (A) Both cathode and anode (B) Cath...
2022-11-19Let \( f(x)=x^{3 / 2} \). Then, \( f^{\prime}(0)= \) ? (a) \( \frac{3}{2} \) (b) \( \frac{1}{2} ...
2022-11-19If \( x=a(\cos \theta+\theta \sin \theta) \) and \( y=a(\sin \theta-\theta \cos \theta) \) then ...
2022-11-19If \( x=a t^{2}, y=2 a t \) then \( \frac{d y}{d x}=? \) (a) \( \frac{1}{t} \) (b) \( \frac{-1}{...


Tags:
pw