if f(x)=x³-5x²-4x+20,show that f(0)=-2f(3)
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Answered by
26
Answer:
f ( 0 ) = - 2 f ( 3 )
Step-by-step explanation:
We Have :-
f ( x ) = x³ - 5x² - 4x + 20
To Show :-
f ( 0 ) = - 2 f ( 3 )
Solution :-
f ( 0 )
( 0 )³ - 5 ( 0 )² - 4 ( 0 ) + 20
0 - 0 - 0 + 20
20
- 2 f ( 3 )
- 2 [ ( 3 )³ - 5 ( 3 )² - 4 ( 3 ) + 20 ]
- 2 [ 27 - 45 - 12 + 20 ]
- 2 ( - 10 )
20
f ( 0 ) = - 2 f ( 3 )
Answered by
10
Step-by-step explanation:
Hope it helps you thankyou
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