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  1. T

    Best textbook for Chemistry and Physics

    yeah but like when studying for tests in yr 11 that dont really have past papers like mod1-2 what do u do
  2. T

    Best textbook for Chemistry and Physics

    So during exam times in yr 11 what did u use to study if u barely used the textbooks
  3. T

    Best textbook for Chemistry and Physics

    then what did you use
  4. T

    Best textbook for Chemistry and Physics

    Hi can anyone tell me what the best textbooks are for chemistry and physics since there is a wide variety of different ones and especially those who band 6-ed what the main textbook for sciences was for them? which ones are the best
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    Mathematical Induction Inequality

    2. Prove by mathematical induction that 3^n > 1+2n for all integers n>/2 For n=2 LHS= 9 RHS=1+2(2)=5 Thus LHS>RHS True Assume n=k 3^k >1+2k RTP; n=k+1 3^k+1 > 1+2(k+1) 3^k+1> 2k+3 LHS= 3(1+2k) = 3+6k (using assumption) >2k+3 Thus, 3^k+1>2k+3 Therefore true for n=1, k, k+1 Thus...
  6. T

    Mathematical Induction Inequality

    thankks yes because its meant to be n>/1
  7. T

    Mathematical Induction Inequality

    I kinda get it now thx
  8. T

    Mathematical Induction Inequality

    1. Using Mathematical induction, prove that n^2 + 1 > n for all integers n>1 For n=1 LHS= (2)^2+1= 5 RHS=2 Thus LHS>RHS, therefore true Assume n=k, k^2+1 >K RTP; n=k+1 (k+1)^2 +1 > k+1 Now what do I do and how do I go about it
  9. T

    Mathematical Induction Inequality

    Have already spent hours trynna find yt vids and stuff to help me out but im so lost pls help
  10. T

    Mathematical Induction Inequality

    1. Using Mathematical induction, prove that n^2 + 1 > n for all integers n>1 For n=1 LHS= (2)^2+1= 5 RHS=2 Thus LHS>RHS, therefore true Assume n=k, k^2+1 >K RTP; n=k+1 (k+1)^2 +1 > k+1 Now what do I do and how do I go about it
  11. T

    Mathematical Induction Inequality

    No Im missing the rest I can easily say Let n=k and n=K+1 for the given expression but I cant do the rest
  12. T

    Mathematical Induction Inequality

    My main problem is how to go about the question after letting n=k and n=k+1
  13. T

    Mathematical Induction Inequality

    Hello I just joined Im struggling with mathematical induction inequality so bad and someone recommended me here Need help with these: 1. Using Mathematical induction, prove that n^2 + 1 > n for all integers n>1 2. Prove by mathematical induction that 3^n > 1+2n for all integers n>2 3.Prove by...
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