sir/mam Please Prove it by formula of class 7
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Don't know but someone will surely help you
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Step-by-step explanation:
Answer :
(a2+a+1) (a2-a+1) (a4-a2+1)
={a2+(a+1)} {a2+1-(a)} (a4-a2+1)
={(a2+1) +a}*{(a2+1) -a} (a4-a2+1)
={(a2+1)2-a2} (a4-a2+1)
=(a4+1+2a2-a2) (a4-a2+1)
=(a4+a2+1)(a4-a2+1)
={(a4+1)+a2} {(a4+1)-a2}
=(a4+1)2-(a2)2
=a8+1+2a4-a4
=(a8+1+a4)
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