Đại số lớp 8
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Let a,b be the roots of equation \(x^2-px+q=0\) and let c,d be the roots of the equation \(x^2-rx+s=0\), where p,q,r,s are some positive real numbers. Suppose that :
\(M=\frac{2\left(abc+bcd+cda+dab\right)}{p^2+q^2+r^2+s^2}\)
is an integer. Determine a,b,c,d .
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17 tháng 11 2016 lúc 17:54
Let and distinct satisfy the conditions .Find .Answer:
Đọc tiếp
Let and
distinct satisfy the conditions
.
Find .
Answer:
Find the maximum value of $$ , x,y,z > 0
let a<b<c<d be integers. If one of the roots pf the equation (x-a)(x-b)(x-c)(x-d) - 9 is x=7, what is a+b+c+d?
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Write the complete sentences:
1) The ambulance / be here / a few minutes
2) I / pleased that / you want / know more
3) Ba / taking a shower / 8.00 / last night
4) It / difficult / learn English
5) Would you / lending me / dictionary?
6) They / playing tennis / 10.30 / yesterday morning
7) Bao / always forgetting / homework
8) Last week / she / an English test / Friday
9) The school festival / held / the yard / last week
10) In / rice cooking festival / fire / made / traditional way
11...
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Write the complete sentences:
1) The ambulance / be here / a few minutes
2) I / pleased that / you want / know more
3) Ba / taking a shower / 8.00 / last night
4) It / difficult / learn English
5) Would you / lending me / dictionary?
6) They / playing tennis / 10.30 / yesterday morning
7) Bao / always forgetting / homework
8) Last week / she / an English test / Friday
9) The school festival / held / the yard / last week
10) In / rice cooking festival / fire / made / traditional way
11) It / not difficult / translate / this sentence / English
12) You / mind / lend / me / dictionary?
13) New bicycles / make / Japan / be / expensive8
14) The Robinson family / making / preparation / Tet
15) You / mind / if / wait / me / moment?
16) Who / man / waiting outside?
17) There / some children / swim / the river
8) You / visited / Bach Ma Mountain?
19) We / can see / boy / ride / water buffalo
20) My Son / recognize / world heritage / 1999
21) They / be / vacation / Da Lat now
22) I / Mai whether / it was / highest building.
23) People / shoes / made / old car tires.
24) Thanks / the flowers / you / me / last week.
25) I asked / Thanh / whether / Petronas Twin Tower / the tallest building / the word
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