Mark the correct alternative in each of the following:
If \( \alpha, \beta \) are the roots of t... VIDEO
Mark the correct alternative in each of the following:
If \( \alpha, \beta \) are the roots of the equation \( a x^{2}+b x+c=0 \), then \( \frac{1}{a \alpha+b}+\frac{1}{a \beta+b}= \)
(A) \( c / a b \)
(B) \( a / b c \)
(C) \( b / a c \)
(D) none of these
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2022-11-16 A circular disc of mass \( 2 m \) and radius \( 3 r \) is resting on a flat frictionless sur... 2022-11-16 अम्लीय अशुद्धियों के कारण जल कैसे प्रदूषित होता है? 2022-11-16 Assertion (A): Dried seeds of Pea are kept in tin, water is poured over them upto upper level. A... 2022-11-16 What is gravitational mass? How is it measured? 2022-11-16 The ratio of \( { }^{35} \mathrm{Cl} \) and \( { }^{37} \mathrm{Cl} \) isotope in \( \mathrm{Cl}... 2022-11-16 Gnathostomata are characterised by the presence of
(A) exoskeleton
(B) jaws with teeth
(C) paire... 2022-11-16 Three spheres, each of mass \( m \), can slide freely on a frictionless, horizontal surface. Sph... 2022-11-16 A circular disc of mass \( 2 m \) and radius \( 3 r \) is resting on a flat frictionless sur... 2022-11-16 What are the three distinct layers of a molluscan shell ? 2022-11-16 In figure, a pulley is shown which is frictionless and a ring of mass \( m \) can slide on the s... 2022-11-16 Mark the correct alternative in each of the following:
If \( \alpha, \beta \) are the roots of t... 2022-11-16 the position shown where sphere \( B \) is struck by sphere \( C \) which is moving to the right... 2022-11-16 In figure, a pulley is shown which is frictionless and a ring of mass \( m \) can slide on the s... 2022-11-16 the position shown where sphere \( B \) is struck by sphere \( C \) which is moving to the right... 2022-11-16 In uniform circular motion,
(A) Both velocity and acceleration are constant,
(B) Velocity change... 2022-11-16 What sequence on the template strand of DNA corresponds to the first amino acid inserted into a ... 2022-11-16 The success of birth control programmes in controlling population growth is dependent on
(A) use... 2022-11-16 The sum of last two digits of the number \( 7^{101} \) is 2022-11-16 Identify the least stable ion amongst the following:
(A) \( \mathrm{Li}^{-} \)
(B) \( \mathrm{Be... 2022-11-16 यदि \( m \) RNA, DNA अणु को -TATCTACCTGGAप्रकार से संश्लेषित करे तो \( m \) RNA अणु पर क्षार क्र... 2022-11-16 The figure shows two protons (symbol p) and one electron (symbol e) on an axis. On the central p...