यदि f(x)=(a sin 2x)/(x), x gt 0 =(2b(s...

यदि `f(x)=(a sin 2x)/(x), x gt 0`
`=(2b(sqrt(1+x)-1))/(x), x lt 0`
तथा `lim_(x to 0)f(x)` का अस्तित्व है, तो `b=`

A

a

B

`-2a`

C

2a

D

इनमें से कोई नहीं

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

Promotional Banner

Promotional Banner

टॉपर्स ने हल किए ये सवाल

सीमा का अस्तित्व
KC SINHA|Exercise EXERCISE 25.1|18 Videos
सरल रेखा
KC SINHA|Exercise वस्तुनिष्ठ प्रश्न|24 Videos

KC SINHA-सीमा का अस्तित्व -वस्तुनिष्ठ प्रश्न

यदि f(x)={{:(x",",x lt0),(1",",x=0),(x^(2)",",xgt0):} तो lim(x to 0)f...
Text Solution
|
lim(xrarr1) (x-1)/(|x-1|)=
Text Solution
|
यदि [x ] महत्तम पूर्णांक फलन निरूपित करता है, तो lim(x to 3^-)[x]=
Text Solution
|
यदि f(x)=3x-4, 0 le x le 2 =2x+k, 2lt x le 3 तथा lim(x to 2)f(x) क...
Text Solution
|
यदि f(x)=(sinx^(2))/(x), x gt 0 =(tanx)/(x), xlt 0 तो lim(x to 0)...
Text Solution
|
यदि {:(f(x)=(cos ax-cos bx)/(x^(2))",", x gt 0),(" "=k,x lt0):} तो l...
Text Solution
|
यदि f(x)=(a sin 2x)/(x), x gt 0 =(2b(sqrt(1+x)-1))/(x), x lt 0 तथा...
Text Solution
|
यदि f(x)=(x^(2)-1)/(x-1), x lt 1 =|x|+1,x gt 1 तो lim(xrarr1) f(x...
Text Solution
|
lim(xrarr0) (sin|x|)/(x)=
Text Solution
|
lim(xrarr0) (|x|)/(tan|2x|)=
Text Solution
|
यदि f(x)=2-x, x le 2 और f(x)=x-2, x gt 2 तो lim(xrarr2)f(x)=??
Text Solution
|
यदि f(x)=x^(2), x ge 0 =x, x le 0 तो lim(xrarr0) f(x)=
Text Solution
|