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  1. D

    Need a Tutor?

    i can be a customer! i need any help i can get! and hopefully you'll be of help. im in year 12. i dropped physics..but i need help in maths extension 2 and sometimes extension 1....and some help in chemistry wouldn't hurt. $25 an hour!!! im not made of money!! you better be worth every peny...
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    inverse functions!

    OH MY LORD TO THE HEAVENS ABOVE...DUHHHHH!! MAN IM A MORON! sorry, that question was a waste of time, i just had a major blank when i saw it...so yeah im sooo sorry, lol...what am i doin in 3unit maths???!!
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    inverse functions!

    how would you sketch y= sin^-1 x + cos^-1 x. i know that there is a property where that would equal pie/2, but how do you use it?
  4. D

    induction

    OMG! i understood that!! hoooray! thanks heaps templar! your an effin genius!! and i think maybe i shoudlnt touch the a^n + b^n thingy, just for now, i dont wanna get too confused, im only just catching on now. thanks heaps man!!
  5. D

    induction

    ok i have another question, lol sorry. you know in the question when they say n>=1, if its n>=4, what do you do? do yuo first prove it with n=4 and then does it make any change to the assuming of k, and then the k+1? or will it now be k +5? wait a sec...i think i just answered my own...
  6. D

    induction

    hahahah, possibily, but anyway..can you just explain to me that rule please? i've never seen it before, and it would be an advantage if i knew it...
  7. D

    induction

    ok i reckon i got it, but this stupid booklet has no answers.. do you guys think this is right? i'll write the question again: use mathematical induction to show that 3^n + 7^n is divisible by 10 for all odd positive integers n=>1 so i put n equals 1 and it works...cause i get 10. then i...
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    induction

    ahh, yeh cause at schoolwe were learning like..saying that it equaled to 10M where M is any integer, then from there we move it all around then sub in the 10M somehow, however, all the questiosn i've done theres only one number thats to the power of n. not two... but thanks for the help.
  9. D

    induction

    ummm... is that a^n + b^n a rule thing? cause i've never seen anything like that before. and do the * mean times?
  10. D

    binomial theorem

    that was a joke right?
  11. D

    induction

    hi, i typed this question in the binomial theorem thread, but then i read "withouttaface"'s rules..and well the picture freaked the hell out of me..so im sorry i didnt follow the rules. ok back to the topic..induction (must not get off topic) can anyone explain to me how to do this question...
  12. D

    binomial theorem

    induction has anyone touched on induction? i missed my last class cos i thought i had a free...moron i know.. anyway so now im kinda lost..like...how would you solve this? step by step...and stick in the obvious too please... use mathematical induction to show that 3^n + 7^n is divisible by...
  13. D

    binomial theorem

    im not sure where the brackets are supposed to be in the second question. but for the first one i got 153090x^2. does that sound right? or am i way off? i used the general term rule thingy
  14. D

    Lear thread

    Lear Act 2 Scene 2 hi people, can anyone answer this question? Cornwall says of Kent: "he cannot flatter, he an honest mind and plan, he must speak truth" to what extent does this show a similarity between kent and cordelia? its lines 102-105 in the book. thanks! dee
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