maths

posted by .

n! is greater or equal to 2^n-1
prove by induction

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Maths

    Please help with these questions: (please show how to do) 1. How many differently shaped rectangles, with positive integer dimensions, have a perimeter equal to their area?
  2. Math

    Observe that : 1/1*3= 1/3 1/1*3+ 1/3*5= 2/5 1/1*3+ 1/3*5+ 1/5*7= 3/7 1/1*3+ 1/3*5+ 1/5*7+ 1/7*9= 4/9 Come up with a formula s(n) for the above, for n is greater than or equal to 1. Prove it by mathematical induction
  3. Math - Mathematical Induction

    3. Prove by induction that∑_(r=1)^n▒〖r(r+4)=1/6 n(n+1)(2n+13)〗. 5. It is given that u_1=1 and u_(n+1)=3u_n+2n-2 where n is a positive integer. Prove, by induction, that u_n=3^n/2-n+1/2. 14. The rth term of …
  4. Math

    Prove by induction that 9^(n+2)- 4n is divisible by 5 for n greater than or equal to 1. Thanks.
  5. maths

    prove by mathematical induction that 7n+4n+1 is divisible by 6
  6. MATHS

    prove by mathematical induction that 7^n+4^n+1 is divisible by 6
  7. maths

    Prove : (a^2+b^2+c^2+d^2)(1/a^2+1/b^2+1/c^2+1/d^2)greater equal to 16
  8. maths

    Prove : (a^2+b^2+c^2+d^2)(1/a^2+1/b^2+1/c^2+1/d^2)greater equal to 16
  9. Mathematics

    Find the coefficient of x^7 for (x-3)^11 Use the binomial theorem to expand (2y-3x)^5 Prove that (n over r)= (n over n-r) for all integers where n is greater than or equal to r and r is greater than or equal to zero Prove that (n over …
  10. Math!!! Please help!!!

    Find the coefficient of x^7 for (x-3)^11 Use the binomial theorem to expand (2y-3x)^5 Prove that (n over r)= (n over n-r) for all integers where n is greater than or equal to r and r is greater than or equal to zero Prove that (n over …

More Similar Questions