If \( f(x)=2 x^{3}+9 x^{2}+\lambda x+20 \) is a decreasing function of \( x \) in the largest po...

Channel:
PW Solutions
Subscribers:
453,000
Published on ● Video Link: https://www.youtube.com/watch?v=7yRrUUrCYNk


Duration: 3:21
1 views
0

If \( f(x)=2 x^{3}+9 x^{2}+\lambda x+20 \) is a decreasing function of \( x \) in the largest possible interval \( (-2,-1) \), then \( \lambda= \)
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-17рдЕрднрд┐рдХреНрд░рд┐рдпрд╛рдУрдВ рдореЗрдВ рдкреНрд░рдпреБрдХреНрдд рдЕрднрд┐рдХрд░реНрдордХреЛрдВ рдХреЗ рдирд╛рдо рдмрддрд╛рдЗрдПрдкреНрд░реЛрдкреЗрди-2-рдСрд▓ рдХрд╛ рдкреНрд░реЛрдкреАрди рдореЗрдВ рдирд┐рд░реНрдЬрд▓рди
2022-11-17Assertion (A): The gas on subjecting to Joule-Thomson effect gets heated if its temperature is l...
2022-11-17рд╣рд▓ рдХреАрдЬрд┐рдП : \( 4\left(\sin ^{3} \theta \cos \theta-\cos ^{3} \theta \sin \theta\right)=1 \).
2022-11-17If \( (n+1) !=90[(n-1) !] \), find \( n \).
2022-11-17рдорд╛рдВрд╕ рдХреЗ рд▓рд┐рдП рдкрд╛рд▓реЗ рдЧрдпреЗ рдЪреВрдЬреЗ рдХрд╣рд▓рд╛рддреЗ рд╣реИрдВ- (A) рдореБрд░реНрдЧреА (B) рдмреНрд░реЛрдЗрд▓рд░ (C) рдХреЛрдХрд┐рд░рд▓ (D) Content not found
2022-11-17Label the conjugate acids and bases in these reactions : \[ \mathrm{H}_{2} \mathrm{Fe}(\mathrm{C...
2022-11-17рдЪрд┐рддреНрд░ \( 13.8 \) рдореЗрдВ рдСрдХреНрд╕реАрдЬрди рдХреЗ \( 1.00 \times 10^{-3} \mathrm{~kg} \) рджреНрд░рд╡реНрдпрдорд╛рди рдХреЗ рд▓рд┐рдП \( P V /...
2022-11-17A uniform rod of length \( L \) and mass \( M \) is free to rotate about a frictionless pivot at...
2022-11-17рдЙрди рд▓рдХреНрд╖рдгреЛрдВ рдХреЛ рдХреНрдпрд╛ рдХрд╣рддреЗ рд╣реИрдВ рдЬрд┐рдирдХреЗ рдЬреАрди X-рдЧреБрдгрд╕рддреНрд░ рдкрд░ рд╣реЛрддреЗ рд╣реИрдВ? (A) рд▓рд┐рдВрдЧ рдкреНрд░рднрд╛рд╡рд┐рдд (B) рд▓рд┐рдВрдЧ рд╕реАрдорд┐рдд (C...
2022-11-17An example for best domesticated honey bee is in Europe and America : (A) Apis dorsata (B) Apis ...
2022-11-17If \( f(x)=2 x^{3}+9 x^{2}+\lambda x+20 \) is a decreasing function of \( x \) in the largest po...
2022-11-17рдмрд┐рдиреНрджреБ рдЖрд╡реЗрд╢ рдХреЗ рд▓рд┐рдпреЗ рд╕рдорд╡рд┐рднрд╡ рдкреГрд╖реНрда рдХреА рдЖрдХреГрддрд┐ рдХреНрдпрд╛ рд╣реЛрддреА рд╣реИрдВ?
2022-11-17Radial symmetry is best seen in : (A) Mollusca (B) sponge (C) star fish (D) fishes
2022-11-17One of the diameters of the circle \( x^{2}+y^{2}-12 x+4 y+6=0 \) is given by (A) \( x+y=0 \) (B...
2022-11-17рдХрд┐рдгреНрд╡рд┐рди рдкреЗрдп рдЙрддреНрдкрд╛рджрди рдореЗрдВ рд╕реВрдХреНрд╖реНрдордЬреАрд╡реЛрдВ рдХреЗ рдЙрдкрдпреЛрдЧ рдХреЛ рдЙрджрд╛рд╣рд░рдг рд╕рд╣рд┐рдд рд╕рдордЭрд╛рдЗрдП ?
2022-11-17During alcoholic fermentation by yeast two molecules of glucose produce (A) 3 molecules of ethan...
2022-11-17Total number of polynomials of the form \( x^{3}+a x^{2}+b x+ \) \( c \) that are divisible by \...
2022-11-17\( A B C \) is a right angled triangle of which \( A \) is the right angle, \( B D \) is drawn p...
2022-11-17A charged belt, \( 50 \mathrm{~cm} \) wide, travels at \( 30 \mathrm{~m} / \mathrm{s} \) between...
2022-11-17The value of \( \frac{\sin 70^{\circ}}{\sin 110^{\circ}} \) is
2022-11-17Find both the highest common factor and the lowest common multiple of \( 57 a x^{2} y, 76 x y^{2...