functions basic
Can U guys solve (i) plzz
I can solve them by a common sense but phir BHI ek standard method nhi mil rha
It would be a lot helpful
15 Replies
@Apu
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(x-1)²+4 has the least value as 4 and Max value as infinity
As log base √2 is in increasing function
(We know that the function,
Log x base a is an increasing function, if a>1)
So the least value would be for the least value of input [in the log function]
So least value would be log 4 with base √2
That is-> 4
And maximum value obviously is infinity
So range goes as [4,oo)
Also pls help in this (a)
Again base is 4 so as 4>1 the function is increasing
So we'll get least value for least input in the log function
The least value of |x+1/x| =2
[hope you knew this by far]
So the range goes, [1/2,oo)
Sory got it
Thanksssssssssssss
Hey bro one more last doubt.
f(X) = sin(3x²+1)
Will have range [-1,+1]?
Indeed
b c and d BHI check krdo pls
(I have too much self doubt 😭)
$$|x+\frac{1}{x}| \ge 2$$
$$\log_4(|x+\frac{1}{x}|) \ge \frac{1}{2}$$
Keshav
Thanks bro pls check my latest message(check my answers)pls
yeah its correct
Thanks a lot bro (wanted to mention 2 people in solved but can't )
+solved @Sam
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