If the equations `2x^(2)-7x+1=0` and `ax^(2)+bx+2=0` have a common root, then

Question

If the equations `2x^(2)-7x+1=0` and `ax^(2)+bx+2=0` have a common root, then

If the equations `2x^(2)-7x+1=0` and `ax^(2)+bx+2=0` have a common root, then
A. `a=2`, `b=-7`
B. `a=(-7)/(2)`, `b=1`
C. `a=4`, `b=-14`
D. `a=-4`, `b=1`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
`(c )` First equation has irrational roots.
Therefore, both roots are common

4 views Answered 2023-02-05 15:29