午夜凶铃小说txt下载:a^2+2a+b^-6b+10=0,则a,b值分别是?
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a^2 + 2a + b^2 - 6b + 10
= (a^2 + 2a + 1) + (b^2 - 2*3*b + 9)
= (a + 1)^2 + (b - 3)^2
= 0
a = -1
b = 3
a^2+2a+b^-6b+10=0
(a^2+2a+1)+(b^2-6b+9)=0
(a+1)^2+(b-3)^2=0
即a=-1
b=3
a^2+2a+b^-6b+10=0,则a,b值分别是?
2^10=a^2=4^b,求(a+b)(a-b)-(a+b)^2
a^2+b^2=(a+b)(a-b)吗?
已知(a^5)-4(a^4)b-(a^4)+a-b-1=0,且2a-3b=1,则a^3+b^3=??
【若实数a,b分别满足a^2-5a+2=0,b^2-5b+2=0,则b/a+a/b+_________】
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以知a,b满足a^2b^2+a^2+b^2+10ab+16=0,则a,b的值分别为?
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