Similar Posts
Inverse functions
Questions Find (f^(-1))'(a) f(x) = x^5 -x^3 +2x a=2 Answer Here is a way. f^(-1))'(a) = f^(-1))'(2) because…
Integration Question: ∫ [f(x) / (1 + x)^2]dx, where f(x) is a polynomial of degree two in x, such that f(0)=1,f(1)=3,f(-1)=5.?
Answer Since f(x) is a polynomial of degree two in x, Let f(x) = ax^2 + bx +…
Digits help?
Question How many 3 digit positive intergers can be formed using the digits 2,3,4,5,6,7,8 is the units digit…
Time question
Question Martina leaves home at 9 am, bicycling at a rate of 24 mi/h. Two hours later, John…
A Remainder Problem: “How to find the remainder of 3^7 divided by 7 using modulo arithmetic?”
Answer Here is a short way. Fermat’s little theorem says that if p is a prime and b…
A Strange Math Symbol Puzzle
1) First Possibility The given pictures are the numbers as follows: 20 + 20 + 20 = 60…

