kanwal32
  • kanwal32
A road network shown in the figure connect four cities.In how many ways can you start from any city say A and come it back to it without travelling the same road more than once
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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kanwal32
  • kanwal32
|dw:1434216110724:dw|
kanwal32
  • kanwal32
@mathmath333 hlp
kanwal32
  • kanwal32
@ganeshie8

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More answers

mathmath333
  • mathmath333
is answer \(\large 12\) ?
kanwal32
  • kanwal32
yes
kanwal32
  • kanwal32
how
kanwal32
  • kanwal32
how??????
mathmath333
  • mathmath333
wait
mathmath333
  • mathmath333
|dw:1434216793605:dw|
kanwal32
  • kanwal32
@mathmath333 i want to do this question using permutation and combination
mathmath333
  • mathmath333
1 Attachment
kanwal32
  • kanwal32
i can also do it by counting but i want to clear my concepts
mathmath333
  • mathmath333
that is the case for 3 points ,and total are their 4 points
mathmath333
  • mathmath333
i dont have any combonatrics concept here
mathmath333
  • mathmath333
the number of points are less so it is feasible to count
kanwal32
  • kanwal32
@ganeshie8
kanwal32
  • kanwal32
@Luigi0210
kanwal32
  • kanwal32
@MeowLover17
ganeshie8
  • ganeshie8
How many choices are there if you start from A ? |dw:1434217646278:dw|
kanwal32
  • kanwal32
3
kanwal32
  • kanwal32
i was thinking slecting two point from three
ganeshie8
  • ganeshie8
Exactly, 3C1 choices at starting vertex, after that how many choices are there at second vertex ?
ganeshie8
  • ganeshie8
|dw:1434217818795:dw|
kanwal32
  • kanwal32
3c1*2c1*2! cause u can like ADBA and ABDA
ganeshie8
  • ganeshie8
that will do
kanwal32
  • kanwal32
@ganeshie8 can u suggest any book for calculus
kanwal32
  • kanwal32
@ganeshie8
ganeshie8
  • ganeshie8
This is an excellent course for calc1 http://ocw.mit.edu/courses/mathematics/18-01sc-single-variable-calculus-fall-2010/1.-differentiation/part-a-definition-and-basic-rules/session-1-introduction-to-derivatives/ stewart calculus is a pretty good text book http://www.amazon.com/Calculus-7th-Edition-James-Stewart/dp/0538497815
kanwal32
  • kanwal32
@ganeshie8 do u know hindi
ganeshie8
  • ganeshie8
aata hy batao
kanwal32
  • kanwal32
mohit tyagi key lecture bhi acchey hai calculus in one variable competition kai hisab sey batao
kanwal32
  • kanwal32
is calculus in one variable good
ganeshie8
  • ganeshie8
what do you mean by that you need to learn calculus in one variable before starting multivariable calculus
kanwal32
  • kanwal32
but for competition exams can u refer any book for maths
kanwal32
  • kanwal32
that cover most of the topics
ganeshie8
  • ganeshie8
not sure, i may not be the right person to suggest that..
kanwal32
  • kanwal32
ok thanks for u r hlp
ganeshie8
  • ganeshie8
np

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