The positive value of `k` for which the equation `x^2+k x+64=0` and `x^2-8x+k=0` will both have real roots, is 4 (b) 8 (c) 12 (d) 16

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The positive value of k for which the equation x^2+k x+64=0 and x^2-8x+k=0 will both have real roots, is (a) 4 (b) 8 (c) 12 (d) 16

The positive value of k for which the equation x^2+k x+64=0 and x^2-8x+k=0 will both have real roots, is (a)4 (b) 8 (c) 12 (d) 16

The positive value of k for which the equation x^(2)+kx+64=0 and x^(2)-8x+k=0 will both have real roots,is 4 (b) 8(c)12 (d) 16

The positive value of k for which the equation x^2+kx+64=0 and x^2-8x+k=0 will both have real roots,is a)4 b)8 c)12 d)16

Determine the positive values of ' k ' for which the equation x^2+k x+64=0 and x^2-8x+k=0 will both have real roots.

Determine the positive values of k for which the equation x^(2)+kx+64=0 and x^(2)-8x+k=0 will both have real roots.

The positive value of K for which both the equations x^(2)+Kx+64=0 and x^(2)-8x+K=0 have real roots, is

Find the least positive value of k for which the equation x^2+k x+4=0 has real roots.

Find the values of k for which the equation x^2+5k x+16=0 has no real roots.

The set of values of k(k in R) for which the equation x^(2)-4|x|+3-|k-1|=0 will have exactly four real roots,is