Factorise: x^6-729.
(Please answer asap!! Also mention the steps and explain!!)
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Answered by
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Hey mate !! Here is the answer :-
Factorise: -729
You can write it as :
⇒ (x²)³ - (9)³
Identity used :
⇒ a³ - b³ = (a - b)(a² +ab + b²)
So we can say,
⇒ (x²)³ - (9)³
⇒ (x² - 9) ((x²)² +(x²)(9) + (9)²)
⇒ (x² - 9)
⇒ (x+3)(x-3)
Hope that is helps you..
Please mark as brainliest answer !!
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rishita1813:
thnx
Answered by
0
Answer:
Hey
Step-by-step explanation
hope this helps
pls mark my answer as brainliest plzzzzzzz
thank you
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