factories: a³-8b³+64c³+24abc.
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Hii friend,
we have:
=>a³-8b³+64c³+24abc
=> a³+(-2b)³+(4c)³ -3 × a × (-2b) × (4c)
=> X³+Y³+Z³-3XYZ , where a = X , Y = (-2b) , Z = 4C.
=> (X+Y+Z)(X²+Y²+Z²- XY- YZ- ZX)
=> [(a +(-2b) + 4c)] × [ a² + (-2b)² + (4c)² -a -(-2b) (4c) -a(4c) ]
=> (a-2b+4c)(a²+4b²+16c²+2ab+8bc-4ac). Ans.
HOPE IT WILL HELP YOU..... :-)
we have:
=>a³-8b³+64c³+24abc
=> a³+(-2b)³+(4c)³ -3 × a × (-2b) × (4c)
=> X³+Y³+Z³-3XYZ , where a = X , Y = (-2b) , Z = 4C.
=> (X+Y+Z)(X²+Y²+Z²- XY- YZ- ZX)
=> [(a +(-2b) + 4c)] × [ a² + (-2b)² + (4c)² -a -(-2b) (4c) -a(4c) ]
=> (a-2b+4c)(a²+4b²+16c²+2ab+8bc-4ac). Ans.
HOPE IT WILL HELP YOU..... :-)
abhi569:
Bdiya!!!!!
:-)
Really.... Such me... Hehehe
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