if a-b=1 then a^3-b^3-3ab=7
Omnamhashivay:
proof करना है क्या?
nhi
7=?
7 नहीं होगा
1 होगा
7 hai
Answers
Answered by
1
a-b=1
(a-b)cube=1
(a) cube-(b) cube-3ab(a-b)=1
(a)^3-b^3-3ab=1 [a-b=1]
(a-b)cube=1
(a) cube-(b) cube-3ab(a-b)=1
(a)^3-b^3-3ab=1 [a-b=1]
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