lim_(x->0)(cos3x-cos4x)/x^2=?
A. 3/2
B. 5/2
C. 7/2
D. 9/2
সঠিক উত্তরঃ
C.
7/2
Explanation: 

Related Questions (Any University/Year)
- lim_(x→∞)(1+5/x)^((2x^2+3X)/x) এর মান কত?
- lim_(x->b)(x^(5/2)-b^(5/2))/(x^(3/5)-b^(3/5)) =-?
- f(x)=(1+x i)/(x+i) হলে, limx→∞ f(x)=?limx→∞ f(x)=?
- lim_(x->4)(x-4)/(4+3x-x^2)=?
- lim_(x->0)(sqrt(1+x)-sqrt(1-3x))/(3x)=?
- lim_(x->0)(cosmx-cosnx)/x^2 cosmx−cosnxx2 এর মান কত?
- lim_(x->0)(x/cosx)=? xcosx=?
- lim_(x->0)(sqrt(1-x)-1)/3x=?
- lim_(x=>oo)(3x^2+6x+2)/(4x^2+x+3)
- lim_(x->0)x^4sin(1/x)=?
- lim_(x->a)(x^(11/3)-a^(11/3))/(x^(5/2)-a^(5/2))=?
- lim_(x->0)(1+9x)(4x^2+8x)/2x^2 এর মান কত?
- lim_(x->0)(1+mx)^((px+q)/x)=?
- lim_(x->oo)a^xsin(c/a^x)=?
- lim_(x->0)(x/tanx)^n=?
- lim_(x->0) (2(cos2x-cos3x)/x^2) এর মান কত?
- lim_(x->0)(e^abs(x)-1)/x=?
- lim_(x->0 ) (2x)/(sqrt(1+x)-1)=?
- f(x)={(-,x;,x,<=,0),(x;,0,<,x<=,1):} x=0 এর জন্য ফাংশনটি-
- lim_(x->0)(sqrt(1+3x)-sqrt(1-2x))/(4x)=?