solve 6th one... fast please
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X^2 - 1 which then equals to x^2 - x + 1
scientist2003:
how
(x-1)^2 = x^2 - x + 1
Answered by
1
it is in the form of a³-b³
a³-b³=(a-b) [(a-b)²+3ab]
so,
x³-1³=(x-1)[(x-1)²+3x]
=x-1[x²+1²-2x+3x]
=x-1[x²+x+1]
so answer is (B)
..
thank u
a³-b³=(a-b) [(a-b)²+3ab]
so,
x³-1³=(x-1)[(x-1)²+3x]
=x-1[x²+1²-2x+3x]
=x-1[x²+x+1]
so answer is (B)
..
thank u
Even I live in Bangalore
Even I am in receipt nagar
I am from krpuram
Rr*
Do you know national hill view public school?
now recently shifted to kammanahalli for college purpose
oo
thanks for answers for both
bye
OK bye
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