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If x^(2)+ax+10=0and x^(2)+bx-10=0 have c...

If `x^(2)+ax+10=0and x^(2)+bx-10=0` have common root, then `a^(2)-b^(2)` is equal to

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. The equation of one of the curves whose slope of tangent at any point ...

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  2. The number of tangents drawn from point (-5,3) to the hyperbola (x^2)/...

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  3. If x^(2)+ax+10=0and x^(2)+bx-10=0 have common root, then a^(2)-b^(2) i...

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  4. Let F(x)=int(sinx)^(cosx)e^((1+sin^(-1)(t))^(2))dt on [0,(pi)/(2)], th...

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  5. Find the angle of intersection of the curves y=4-x^(2) and y=x^(2)

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  6. Let f and g be two real values functions defined by f(x)= x + 1 and ...

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  7. A bag contains 10 balls of which some are black and others are whit...

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  8. If 2a^2 - 7ab -ac +3b^2-2bc-c^2=0 then the family of lines ax + by + c...

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  9. Two small squares on a chess board are chosen at random. Then, the pro...

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  10. If 4 squares are chosen at random on a chess board, the probability th...

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  11. Tangent to the parabola y=x^(2)+ax+1 at the point of intersection of t...

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  12. The area of the triangle whose sides. are 5 cm, 13 cm and 12 cm is

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  13. The median of a set of 9 distinct observations is 20.5. If each of the...

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  14. A relation R is defined on the set of circles such that "C(1)RC(2)impl...

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  15. The coefficient of x^4 in the expansion of (1+x-2x^2)^7 is :

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  16. If line x-2y-1=0 intersects parabola y^(2)=4x at P and Q, then find th...

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  17. If tan B=(n sin A cos A)/(1-n cos^(2)A), then tan(A+B) equals to

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  18. int(-1)^(1)(e^(-1//x))/(x^(2)(1+e^(-2//x))dx is equal to

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  19. Construct the truth table for the followings statements : (a) (p^^q)...

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  20. Given lines (x-4)/(2)=(y+5)/(4)=(z-1)/(-3) and (x-2)/(1)=(y+1)/(3)=(z)...

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