" 5) "|[" ची सिकीकरण "x^(2)+4x+k=0" के मूल पासिविक और असमान है,तो "],[" [a) "k<4," (b) "k>4," (c) "k>=4," (d) "k<=4]

If the equation x^2+4x+k=0 has real and distinct roots, then (a) k 4 (c) kgeq4 (d) klt=4

If the equation x^2+4x+k=0 has real and distinct roots, then k 4 (c) kgeq4 (d) klt=4

If roots of x^2- 4x + a = 0 are equal, then a = यदि x^2- 4x + a = 0 के मूल बराबर है, तो a = ?

If the function f(x)=x^2-k x+5 is increasing on [2,\ 4] , then (a) k in (2,\ oo) (b) k in (-oo,\ 2) (c) k in (4,\ oo) (d) k in (-oo,\ 4)

If x^2+2(k+2)x+9k=0 has equal roots then k= a)-1,4 b)1,-4 c)-1,-4 d)1,4

if 2x^(2) + 4x - k = 0 is same as (x-5) (x+k/10) = 0 , then find the value of k.

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 value of k for which the pair of linear equation 4x+6y-1=0a n d2x+k y-7=0 represent parallel lines is (a) k=3 (b) k=2 (c) k=4 (d) k=-2

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