Question Number 103700 by anonymous last updated on 16/Jul/20

Commented byanonymous last updated on 16/Jul/20

plzz help me

Answered by bobhans last updated on 17/Jul/20

(x+(2/x))^8 = (((x^2 +2)^8 )/x^8 ) = ((Σ_(n = 0) ^8 C _n^8 x^(2n) . 2^(8−n) )/x^8 ) = ((2^8 +8×2^7 x^2 +28×2^6 x^4 +56×2^5 x^6 +...)/x^8 ) = ((256)/x^8 ) + ((1024)/x^6 ) + ((28×64)/x^4 ) + ((56+32)/x^2 ) + ...