factorise 1+64x cube
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Answered by
81
HeRe Is Your Ans ⤵
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Identity :-
A³ - B³ = (A + B) (A² - AB + B²)
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➡1 + 64X³ = 0
➡(1)³ + (4X)³ = 0
➡(1 + 4X) ( (1)² - 1(4X) + (4X)² ) = 0
➡(1 + 4X) ( 16X² - 4X + 1) = 0
Solve This Then U get Value Of X
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lavi87:
thx
Answered by
36
Answer:
1 + 64x^3
=(1) ^3 + (4x) ^3
= (1+4x) (1 + 16x^2 - 4x)
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