If \( f: R \rightarrow R \) given by \[ f(x)=x^{3}+(a+2) x^{2}+3 a x+5 \] is one-one, then a bel...
Channel:
Subscribers:
451,000
Published on ● Video Link: https://www.youtube.com/watch?v=7zOoH5rMZCw
0If \( f: R \rightarrow R \) given by
\[
f(x)=x^{3}+(a+2) x^{2}+3 a x+5
\]
is one-one, then a belongs to the interval
(A) \( (-\infty, 1) \)
(B) \( (1, \infty) \)
(C) \( (1,4) \)
(D) \( (4, \infty) \)
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live