Question

find the value of a if x – a is a factor of 2x3 – 2ax2 +5x + a + 6

Answer 1

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STEPWISE SOLUTION:

IF X-1

THEN

X=A  

WE GET,

2A^3-2A^2+5A+A+6=0

2A^3-2A^2+6A+6=0

NOW ON TAKING 2 COMMON

WE GET,

2[2A^3-A^2+3A+3]=0