logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
0 votes

Let $\;f_{k}(x)= \large\frac{1}{k}(sin^{k}x+cos^{k}x)\;$ where $\;x \in R\;$ and $\;k \geq 1\;$. Then $\;f_{4}(x) - f_{6}(x)$ equals :

$(a)\;\large\frac{1}{4} \qquad(b)\;\large\frac{1}{12}\qquad(c)\;\large\frac{1}{6}\qquad(d)\;\large\frac{1}{3}$

Can you answer this question?
 
 

Please log in or register to answer this question.

Related questions

Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...