If \( f(x)=a x^{2}+b x+c, g(x)=-a x^{2}+b x+c \) where \( a c \neq 0 \), then \( f(x) g(x)=0 \) ...

Channel:
PW Solutions
Subscribers:
451,000
Published on ● Video Link: https://www.youtube.com/watch?v=eFz9aKZzNrE


Duration: 4:16
1 views
0

If \( f(x)=a x^{2}+b x+c, g(x)=-a x^{2}+b x+c \) where \( a c \neq 0 \), then \( f(x) g(x)=0 \) has
(A) at least two real roots
(B) two real roots and two imaginary roots
(C) at least three real roots
(D) no real roots
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-23Match the following columns. Codes (A) \( \begin{array}{ccccc}\mathrm{A} & \mathrm{B} & \mathrm{...
2022-11-23The radius of the circle passing through the foci of the ellipse \( \frac{x^{2}}{16}+\frac{y^{2}...
2022-11-23рдирд┐рдореНрди рд╕рд░реНрдХрд┐рдЯ рдХрд┐рд╕ рдЧреЗрдЯ рдХреЛ рд╡реНрдпрдХреНрдд рдХрд░рддрд╛ рд╣реИ? (A) \( \mathrm{OR} \) рдЧреЗрдЯ (B) \( \mathrm{XOR} \) рдЧреЗрдЯ (C)...
2022-11-23рдзрдирд╛рддреНрдордХ рдорд╛рдирдХ рдЕрдкрдЪрдпрди рд╡рд┐рднрд╡ рд╡рд╛рд▓реЗ рдЗрд▓реЗрдХреНрдЯреНрд░реЛрдб рддрдиреНрддреНрд░реЛрдВ рдХреЛ рдорд╛рдирдХ рд╣рд╛рдЗрдбреНрд░реЛрдЬрди рдЗрд▓реЗрдХреНрдЯреНрд░реЛрдб рдХреЗ рд╕рд╛рде рд╕рдВрдпреБрдХреНрдд рдХрд░рди...
2022-11-23If \( a, b, c, d, e \) are in continued proportion, prove that \( (a b+b c+c d+d e)^{2}=\left(a^...
2022-11-23If \( A=\left[\begin{array}{lll}1 & 2 & 2 \\ 2 & 1 & 2 \\ 2 & 2 & 1\end{array}\right] \), verify...
2022-11-23In medical science, the picture of heart is generated by a method called. (A) Angiography (B) So...
2022-11-23A liquid is in equilibrium with its vapours at its boiling point. On the average the molecules i...
2022-11-23Prove that \[ \sin A \sin (A+2 B)-\sin B \sin (B+2 A)=\sin (A-B) \sin (A+B) \]
2022-11-23рдПрдХ рд╕рдорд╛рдиреНрддрд░ рдкреНрд▓реЗрдЯ рд╕рдВрдзрд╛рд░рд┐рддреНрд░ рдХреЛ рдЬрд┐рд╕рдХрд╛ рдкреНрд▓реЗрдЯ рдХреНрд╖реЗрддреНрд░рдлрд▓ \( 0.2 \) рдореАрдЯрд░ \( { }^{2} \) рддрдерд╛ рдкреНрд▓реЗрдЯреЛрдВ рдХреЗ ...
2022-11-23If \( f(x)=a x^{2}+b x+c, g(x)=-a x^{2}+b x+c \) where \( a c \neq 0 \), then \( f(x) g(x)=0 \) ...
2022-11-23What is the equation of the plane which passes through the \( z \)-axis and is perpendicular to ...
2022-11-23рд╢реНрд░реЗрдгрд┐рдпреЛрдВ рдХрд╛ \( n \) рдкрджреЛрдВ рдХрд╛ рдпреЛрдЧ рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП\( 5+7+13+31+85+\ldots \)
2022-11-23A plane which is perpendicular to two planes \( 2 x \) \( -2 y+z=0 \) and \( x-y+2 z=4 \) passes...
2022-11-23Each molecule in a gas has an average kinetic energy. What is the total average kinetic energy o...
2022-11-23Why should two sources of sound have nearly equal frequencies for the formation of beats?
2022-11-23Gases deviate from ideal gas behaviour at high pressure. Which of the following is correct for n...
2022-11-23рдПрдХ рд╕рдорд╛рдиреНрддрд░ рдкреНрд▓реЗрдЯ рд╕рдВрдзрд╛рд░рд┐рддреНрд░ рдХреА рдкреНрд▓реЗрдЯреЛрдВ рдХреЗ рдмреАрдЪ рдХреА рджреВрд░реА 1 рд╕реЗрдореА рддрдерд╛ рдкреНрд░рддреНрдпреЗрдХ рдкреНрд▓реЗрдЯ рдХрд╛ рдХреНрд╖реЗрддреНрд░рдлрд▓ 100 ...
2022-11-23The value of the integral \( \int_{0}^{\pi} \frac{\sin k x}{\sin x} d x \) ( \( k \) is aneven i...
2022-11-23The time period measured by a simple pendulum is \( 4 \mathrm{sec} \). Four students measured th...
2022-11-23\( (p \wedge \sim q) \wedge(\sim p \wedge q) \) is (A) a tautology (B) a contradiction (C) tauto...