Question

if (x-2 ) is a factor of x square - ax +4 then value of a is

Answer 1

Answer:

a = 4

Step-by-step explanation:

If x - 2 is a factor of x² - ax + 4 then,,

x - 2 = 0

x = 2

Place x = 2 in

x² - ax + 4 = 0

(2)² - a*2 + 4 = 0

4 - 2a + 4 = 0

8 - 2a = 0

2a = 8

a = 4

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