why here (-x+k) has taken instead of (x-k) see in 2nd line
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As given that xcube co efficient is - 1 that's why it is taken as - x+k,,
Hey Amreen this is for you....
Hey Amreen this is for you....
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amreenfatima78691:
so it means we can also take (x-1) as (-x+1) instead of this
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