(a^-1/ab^2)^-1b^2And thisSimplify(a) (8a^-3/2b^3)^-2/3(b)(a^1/3+b^-2/3)(a^2/3-a^1/3b^-2/3+b^-4/3)Thank you so much!
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(a^-1/ab^2)^-1b^2
And this
Simplify
(a) (8a^-3/2b^3)^-2/3
(b)(a^1/3+b^-2/3)(a^2/3-a^1/3b^-2/3+b^-4/3)
Thank you so much!
不知道有没有理解错题目
(a^-1/ab^2)^-1b^2
={1/[(a^2)*(b^2)]}^(-1) * (b^2)
=[(a^2)*(b^2)] *(b^2)
=(a^2)(b^4)
(a)
(8a^-3/2b^3)^-2/3
=[8^(-2/3)] * [(a^-3/2)^(-2/3)] * [(b^3)^(-2/3)]
=[(1/8)^(2/3)] * { a^[(-3/2)*(-2/3)] } * { b^[3*(-2/3)] }
=1/4 * a * [b^(-2)]
=a/(4b^2) (或= (4^-1)a[b^(-2)] )
(b)
(a^1/3+b^-2/3)(a^2/3-a^1/3b^-2/3+b^-4/3)
=a - [a^(2/3)][b^(-2/3)] + [a^(1/3)][b^(4/3)] + [a^(2/3)][b^(2/3)] - [a^(1/3)][b^(4/3)] + b^(-2)
(中间4项正负相抵)
=a + b^(-2)
(a+b-2ab)(a+b-2)+(1-ab)^2
急……ab/(a+b-1)(a+b) + ab/(a+b)(a+b+1) + ab(a+b+1)(a+b+2) + …… + ab/(a+b+98)(a+b+99) + ab/(a+b+99)(a+b+100)
计算ab/(a+b-1)(a+b)+ab/(a+b)(a+b+1)+ab/(a+b+1)(a+b+2)+.+ab/(a+b+98)(a+b+99)+ab/(a+b+99)(a+b+100)
ab^3+b^2+b-a+1
已知 A=10.1 B=2 C=-2.6 写出下面逻辑表达式的结果. (1) ? A>B.and.C>A.or.AB (2) ? A>B.a已知 A=10.1 B=2 C=-2.6 写出下面逻辑表达式的结果.(1) ? A>B.and.C>A.or.AB(2) ? A>B.and.C>A.or. .not.C>B .and.A3%B2、写出运算结果
A is (2,5) and B is (-1,3).write out the slope of AB and the equation of the line AB.write out the equation of the line through B perpendicular to AB
(a-b+ab-a^2/a+b)乘以[a+1/a-b乘以(1+a/b)]
(a^2b-ab-a+1)/(ab^2+3ab-b-3)÷(a^2+a_2)/(b^2+b-6)
因式分解(a+b-2ab)(a+b-2)+(1-ab)(1-ab)
因式分解ab(ab+1)^2-ab(a+b)-a-b+1 急求!
ab+a+b+1-2ab=2ab,则a+b的值为?
求证:A/(AB+B^2)-B/(AB+A^2)=1/B-1/A
1/4a^2b^2{3ab(a+b)-5a(ab-b^2)}=?
1/a+1/b=3则a-ab+b/a+2ab+b值是?
如果a+b=3,ab=-1,那么(a+b)2-a-b+ab=?
因式分解:(a^2b^2+ab)^2-(ab+1)^2
-3/4ab+2/3a^2b+ab-a^2b-1/2ab-5/3a^2b
(-3ab)(a^2b-3ab^2+1)