Question

if (x-2) is a factor of x²-ax +4 than the value of a is​

Answer 1

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Q:-if (x-2) is a factor of x²-ax +4 than the value of a is

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➾If x-2 is a factor then the value of x be 2

now put X's value in above equation

$➾ {x}^{2} - ax + 4 = 0$

$➾ {(2)}^{2} - 2a + 4 = 0$

$➾4 - 2a + 4 = 0$

$➾8 - 2a = 0$

$➾ - 2a = - 8$

$➾a = 4$✓

HOPE IT HELPS YOU..

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Thankyou:)

Answer 2

Answer:

4

Step-by-step explanation:

x-2 is factor

so x=2

put x=2 in the equation, x²-ax+4 =0.

4-a*2+4=0

8=2a

a=4