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Expand by using Binomial theorem (5-x)^6

 Feb 7, 2017
 #1
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xpand by using Binomial theorem (5-x)^6

 

(5x)6=[(1)(x5)]6=(1)6(x5)6|(1)6=1=(x5)6

 

(x5)6=(60)x650(61)x551+(62)x452(63)x353+(64)x254(65)x155+(66)x056=(60)x651(61)x5+52(62)x453(63)x3+54(64)x255(65)x1+56(66)(60)=(66)=1(61)=(65)=6(62)=(64)=15(63)=20=1x6516x5+5215x45320x3+5415x2556x1+561=x630 x5+375 x42500 x3+9375 x218750 x+15625

 

laugh

 Feb 7, 2017

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