Question

find the value of k if 2 square + 6 is factor of square 3 -3k with step by step explaination please
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Answer 1

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Explaination

ay

2

+ay+3=0

as 1 is root then

⇒a(1)

2

+a(1)+3=0

⇒a+a=−3

⇒2a=−3

⇒a=−

2

3

y

2

+y+b=0

⇒(1)

2

+1+b=0

⇒2+b=0

⇒b=−2

∴ab=−

2

3

×−2=3

Answer 2

Answer:

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Step-by-step explanation:

(1) = 2(1)³ + 9(1)² + 1 + k = 0

= 2 + 9 + 1 + k = 0

= 12 + k = 0

k = —12 Ans...

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