Mathematics
Senior High
Resolved
有人可以幫我確認這兩題,並告訴我a怎麼算嗎高一第一單元
[=0,請問: (1)x2+15=_
(2)x + 1 =
(解)
=
(2)a-b= 406 (3) a² + b² = 200 7 °
類題 14 若a-b=7,ab=3,請問:
(1)²+b² = 55
10-6)=49
9² + ab + b²
(a+b) (a+ab+b²)) (9)+(5)²
a² >ab+b²
17x155+3)
=
(076)²-2106")
40b
7
49+6.
"
b-
55
10.8 (8)
= 3023-2x9830071117
選設a、b為正實數,若a-b=3,ab=5,則a+b=529,a=018
10-65-9
(a+b)² = 9² +246 +6
二19+10:29
a²-2ab+b
93+6=19
2011+08
ere-e18
112111-08-08
地心若x²-4x-1=0,請問:(1)x2+
=
x²
2
(2) x³- 1/5
013+91-918 +918
3
0
3.
4
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