Q. Divide (a8 - b8 ) by ( a2 + b2)  

Dear student
We havea8-b8a2+b2=a42-b42a2+b2=a4+b4a4-b4a2+b2  using x2-y2=x+yx-y=a4+b4a22-b22a2+b2=a4+b4a2+b2a2-b2a2+b2  using x2-y2=x+yx-y=a4+b4a+ba-b      using x2-y2=x+yx-y
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