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Question Number 51592 by Gulay last updated on 28/Dec/18

Commented by Gulay last updated on 28/Dec/18

a=3.7 b=2 sir plz help me

a=3.7b=2sirplzhelpme

Commented by Abdo msup. last updated on 29/Dec/18

2) ((a/b) −(b/a)).((ab)/(a+b)) =((a^2 −b^2 )/(ab)) .((ab)/(a+b)) =(((a−b)(a+b))/(a+b)) =a−b =2,7 −2 =0,7 3)((a^3 +b^3 +3ab(a+b))/(a^2 +2ab +b^2 )) =(((a+b)^3 )/((a+b)^2 )) =a+b =2,7+2=4,7 1)((a^3 b^2 −ab^4 )/((a+b)(ab−b^2 ))) =((b(a^3 b−ab^3 ))/(b(a+b)(a−b))) =((ab(a^2 −b^2 ))/(a^2 −b^2 )) =ab =2,7.2 =5,4

2)(ab−ba).aba+b=a2−b2ab.aba+b=(a−b)(a+b)a+b=a−b=2,7−2=0,73)a3+b3+3ab(a+b)a2+2ab+b2=(a+b)3(a+b)2=a+b=2,7+2=4,71)a3b2−ab4(a+b)(ab−b2)=b(a3b−ab3)b(a+b)(a−b)=ab(a2−b2)a2−b2=ab=2,7.2=5,4

Commented by Abdo msup. last updated on 29/Dec/18

forgive change in my answer 2,7 by 3,7...

forgivechangeinmyanswer2,7by3,7...

Commented by Gulay last updated on 30/Dec/18

thank you so much sir

thankyousomuchsir

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