Factorise a^3+2a-2a^2-4
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1
Answer:
a=2
Step-by-step explanation:
a^3+2a-2a^2-4=0
a^2(a-2) 2(a-2)=0
(a-2) (a^2+2)=0
a^2+2=0
a^2=-2
a=√-2( this value not possible because there is a minus sign inside the square root)
thus,
a-2=0
a=2
HOPE THIS HELPS
abhijitkumar5055:
broo your answer is wrong
Because you take a^2 in starting but broo 2a dosnot have any power so how you take coman
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