if(x-2)is a factor of 2x³-7x²+11x+5a
Answers
Answered by
9
Hi ,
Let p( x ) = 2x³ - 7x + 11x + 5a
if ( x - 2 ) is a factor of p( x ),
then the remainder is p ( 2 ) = 0
[ according to the factor theorem ]
p ( 2 ) = 0
2( 2 )³ - 7 ( 2 )² + 11 ( 2 ) + 5a = 0
16 - 28 + 22 + 5a = 0
10 + 5a = 0
5a = - 10
a = -10/5
a = -2
I hope this helps you.
:)
Let p( x ) = 2x³ - 7x + 11x + 5a
if ( x - 2 ) is a factor of p( x ),
then the remainder is p ( 2 ) = 0
[ according to the factor theorem ]
p ( 2 ) = 0
2( 2 )³ - 7 ( 2 )² + 11 ( 2 ) + 5a = 0
16 - 28 + 22 + 5a = 0
10 + 5a = 0
5a = - 10
a = -10/5
a = -2
I hope this helps you.
:)
Answered by
2
Answer:
Please refer the attachment.... Thank you
Step-by-step explanation:
Attachments:
Similar questions