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If alpha and beta are the roots of quadr...

If `alpha and beta` are the roots of quadratic equation `2x^2+4x+3=0`, then the value of `alpha+beta=.......`

A

-2

B

2

C

34

D

-4

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CHETANA PUBLICATION-Quadratic Equations-EXERCISE
  1. In garden, there are some rows and columns. The number of trees in a r...

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  2. The sum of reciprocals of Reshma's age (in years) 3years ago and 5 yea...

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  3. If alpha and beta are the roots of quadratic equation 2x^2+4x+3=0, the...

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  4. Write the following quadratic equation in standard form: (m+4)(m-10)=0

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  5. If sum of the roots of quadratic equation is 10 and the product is 9, ...

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  6. Find the values of a,b,c for the following quadratic equation by compa...

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  7. Solve by factorization method: m^2-25=0

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  8. If alpha and beta are roots of quadratic equation, and alpha=-5 and b...

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  9. Vivek is 5 years elder to Kishor. The sum of the reciprocal of their a...

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  10. Solve the following quadratic equation by formula method: x^2+6x+5=0

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  11. If alpha and beta are the roots of quadratic equation x^2+5x-1=0 then,...

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  12. If alpha and beta are the roots of quadratic equation x^2+5x-1=0 then,...

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  13. For doing some work, Pintu takes 6 days more than Nishu. If both work ...

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  14. Find m, if the roots of the quadratic equation (m-12)x^2+2(m-12)x+2=0 ...

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  15. Pratik travels by boat 36 km down a river and back in 8 hours. If the ...

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  16. Two trains leave a railway station at the same time.The first train tr...

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  17. If the sum of the roots of the quadratic equation ax^2+bx+c=0 is equal...

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  18. If the roots of the quadratic equation ax^2+cx+c=0 are in the ratio p:...

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  19. A business man bought some items for ₹600. Keeping 10 items for himsel...

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  20. A man travels by boat 36 km down a river and back in 8 hours. If the s...

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