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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Deepak Patra posted an Question
November 19, 2021 • 17:27 pm
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30 points
30 points
- IIT JAM
- Mathematics (MA)
13. let lx)= sin x-x+ 3 and g(x)= cos x-1+ for xer. which of the following stateiments are correct? (a.) s(a)2 0 for all x>0 (b.) g is an increasing function on
13. Let lx)= sin x-x+ 3 and g(x)= cos x-1+ for xeR. Which of the following stateiments are correct? (a.) S(a)2 0 for all x>0 (b.) g is an increasing function on 10, o) (c.) g is an decreasing function on 0, o d.) is a decreasing function on |0, o)
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Anonymous User![best-answer]()
b check attachment
sir putting x= 0.2 i get f(x) is negative ... how can the option a statement is true ????
.2 in radian
yes sir it giving negative result???
f(x) < 0 then f(x)= has one root others then zero
sir here option a says that for all x € [0, infinity] ,f(x) >= 0 .. but .. putting x= 1 we get f is negative .. so i think option a is wrong .. only option b is correct....
sorry x = 0.2
plz wait I check
okk
you are right
so a wronge
thank you sir