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For what value(s) of 'a' quadratic equat...

For what value(s) of 'a' quadratic equation `30ax^2 -6x + 1=0` has no real roots?

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AGRAWAL PUBLICATION-SAMPLE PAPER 1-EXERCISE
  1. If the equation 9x^(2)+6kx+4=0 has equal roots then k=?

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  2. Find the roots of the equation x^2+7x+10=0

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  3. For what value(s) of 'a' quadratic equation 30ax^2 -6x + 1=0 has no re...

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  4. If two tangents inclined at an angle 60^(@) are drawn to a circle of ...

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  5. PQ is a tangent to a circle with centre O at the point P. If DeltaOPQ ...

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  6. In the DeltaABC, D and E are points on side AB and AC respectively suc...

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  7. In the figure, if B(1), B(2), B(3), and A(1), A(2), A(3), ….. have bee...

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  8. SinA +cosB=1, A =30^(@) and B is an acute angle ,then find the value o...

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  9. If x =2sin^(2)theta and y = 2cos^(2)theta+1 ,then find x+y

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  10. In a circle of diameter 42 cm, if an arc subtends an angle of 60^(@) ...

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  11. Twelve solid spheres of the same size are made by melting a solid me...

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  12. Find the probability of getting a double in a single throw of a pair o...

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  13. Find the probability of getting a black queen when a card is drawn at ...

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  14. SUN ROOM The diagrams show the plans for a sun room. It will be buil...

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  15. Case Study based-1 SUN ROOM The diagrams show the plans for a sun...

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  16. SUN ROOM The diagrams show the plans for a sun room. It will be buil...

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  17. A model of a boat is made on the scale of 1:4. The model is 120cm long...

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  18. The shadow of a 5-m-long stick is 2m long. At the same time, the lengt...

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  19. Below you see a student's mathematical model of a farmhouse roof with ...

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  20. Case Study Based- 3 Applications of Parabolas-Highway Overpasses/Und...

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