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Make factors.PLZ help with this ! i took squares on both side ! i am stuck at this step 3x^2 - 22ax + 7a^2View attachment 58096 View attachment 58096 View attachment 58096
Answer?Can anyone please solve this?
Eight people sit in a minibus: four on sunny side and four on the shady side. If two people want to sit on opposite sides to each other and another two people want to sit on the shady side, in how many ways can this be done?
4608Answer?
Whatever answer you get, just post it. I don't think so this answer given is correct. I just want to compare my working.Answer?
ThanksMake factors.
3x^2 - 21ax - ax + 7a^2
3x(x - 7a) - a(x - 7a)
(3x - a) (x - 7a)
x is a/3
& x is 7a
Now Put signs accordingly
(4C1)(4C1)*2P2*3P2*4P4 = 4608Whatever answer you get, just post it. I don't think so this answer given is correct. I just want to compare my working.
How did you get it? I didn't understand(4C1)(4C1)*2P2*3P2*4P4 = 4608
How did you get it? I didn't understand
Oh thanks!two people want to sit on opposite side. They can do this in 2P2 ways or 2!
There are 4 seats to choose from or in other word there are 4C1 seats the first person can choose to sit on one seat of the opposite side & 4C1 choices for the second person who wishes to sit on the opposite side.
another two want to sit on shady side. Remeber one is already sitting on shady side so we have 3 seats left on shady side. So the two people can arrange themselves in 3P2 ways.
Remaining 4 have 4 choices to sit in any order. They can sit in 4P4 ways.
Therefore,
(4C1)(4C1)*2P2*3P2*4P4 = 4608
You're welcome.Oh thanks!
Check this out bro
Check this out bro
Make a triangle ABO. Make a line in between. This line will bisect angle AOBPLZ help with part (I) !!
Me.Anyone taking P7 ?
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