Math, asked by Parvathy11105, 2 months ago

if 1 is a root of the equation a y square + ay + 3 is equal to zero and y square + y + b is equal to zero then find the value of AB​

Answers

Answered by randeer20
1

Step-by-step explanation:

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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

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Answered by fbbackupbretta
2

Answer:

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Step-by-step explanation:

ay2+ay+3= 0

as 1 is root then

⇒a(1)2+a(1)+3=0

⇒a+a=−3

⇒2a=−3

⇒a=−23

y2+y+b=0

⇒(1)2+1+b=0

⇒2+b=0

⇒b=−2

∴ab=−23×−2=3

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