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Find the value of k, for which the quadr...

Find the value of k, for which the quadratic equation `(k + 4)^2 + (k +1)x+1 = 0` has equal roots.

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AGRAWAL PUBLICATION-2020 QUESTION PAPER (1)-EXERCISE
  1. Find a, b and c if its is given that the numbers a, 7, b, 23, c are in...

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  2. If m times the m^(th) term of an AP is equal to n times its n^(th) ter...

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  3. Find the value of k, for which the quadratic equation (k + 4)^2 + (k +...

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  4. On dividing (x^(3)-3x^(2)+x+2) by a polynomial g(x), the quotient and ...

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  5. If the sum of the squares of zeroes of the quadractic polynomial f(x) ...

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  6. In what ratio does the point P(-4,y) divide the line segmetn joining t...

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  8. Prove that the angle between the two tangents drawn from an external ...

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  9. In a right triangle, prove that the squre of the hypotenuse is equal t...

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  10. If sin theta + cos theta = p and sec theta + cosec theta = q. show tha...

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  11. 500 persons are taking a dip into a cuboidal pond which is 80 m long a...

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  12. Show that (12)^n cannot end with digit 0 or 5 for any natural number n...

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  13. Prove that (sqrt 2 + sqrt 5)is irrational.

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