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C2 help needed



Just stuck on the last part I get the method but don't understand how

1 -0.96^n > 0.992 goes to 0.96^n < 0.008

Thanks
Reply 1
Avatar for Notnek
Notnek
21
Move the -0.96^n to get

1>0.992+0.96n1>0.992+0.96^n

Then move the 0.992 to the other side:

1−0.992>0.96n1-0.992>0.96^n.
Original post by notnek
Move the -0.96^n to get

1>0.992+0.96n1>0.992+0.96^n

Then move the 0.992 to the other side:

1−0.992>0.96n1-0.992>0.96^n.


sugar that was simple thanks
Original post by notnek
Move the -0.96^n to get

1>0.992+0.96n1>0.992+0.96^n

Then move the 0.992 to the other side:

1−0.992>0.96n1-0.992>0.96^n.





Hey why can't you do this to work out this question

X+12x3−5x2−x−6 X + 1 \sqrt{2x^3 - 5x^2 - x - 6}

This is regarding the second part of the question
(edited 11 years ago)
Reply 4
Avatar for Notnek
Notnek
21
Original post by IShouldBeRevising_



Hey why can't you do this to work out this question

X+12x3−5x2−x−6 X + 1 \sqrt{2x^3 - 5x^2 - x - 6}

This is regarding the second part of the question

What is the second part of the question?
Reply 5
Avatar for raheem94
raheem94
13
Original post by IShouldBeRevising_



Hey why can't you do this to work out this question

X+12x3−5x2−x−6 X + 1 \sqrt{2x^3 - 5x^2 - x - 6}

This is regarding the second part of the question


first solve f(-1) = 0 to find the value of 'k'.

Then do the long division to find the other factors.
Reply 6
Avatar for raheem94
raheem94
13
Original post by IShouldBeRevising_



Hey why can't you do this to work out this question

X+12x3−5x2−x−6 X + 1 \sqrt{2x^3 - 5x^2 - x - 6}

This is regarding the second part of the question


The -6 should have been a +6, may be its a typo.

You are doing correct, you can do long division.
Original post by raheem94
The -6 should have been a +6, may be its a typo.

You are doing correct, you can do long division.


oh ok thanks, yeah the -6 was a typo
Original post by raheem94
The -6 should have been a +6, may be its a typo.

You are doing correct, you can do long division.


I get the quotient 2x^2 - 3x - 2 remainder 4 , it doesn't divide :s-smilie:
Reply 9
Avatar for TenOfThem
TenOfThem
18
Original post by IShouldBeRevising_
I get the quotient 2x^2 - 3x - 2 remainder 4 , it doesn't divide :s-smilie:


clearly it does ... that was the point of part (a)
Reply 10
Avatar for raheem94
raheem94
13
Original post by IShouldBeRevising_
I get the quotient 2x^2 - 3x - 2 remainder 4 , it doesn't divide :s-smilie:


I get the quotient as 2x2−7x+6 2x^2 - 7x +6 and the remainder 0.

Try again.

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