17. If both the roots of the quadratic equation 2-2kr + k +k-5=0 are less than...
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17. If both the roots of the quadratic equation 2-2kr + k +k-5=0 are less than 5, then k Sr. MATHEM lies in the interval 2) (6, 0) 1) (5, 6] 4) [ 4, 5] 3)(- 0, 4) 18. If roots of the equation x- bx +c =0 be two consecutive integers, then b2- 4c equals 4)1 2)3 3) 2 1)-2 19. If the quadratic expression x-(a-1)x+ a+ will be a perfect square, then a = 1)0,4 2) 2,6 3) 2, 4 4) 0, 6 20. If p(q-r)x² +q(r-p)x+r(p-q)=D0 has equal roots then 2/q = 1 1 1 1 1) 2) 3) p +r 4) pr pr 21. If x-cx+d = 0, x² - ax+ b=0 have on common root and second equation has equal root then 2(b+d) = %3D 1)0 2) aс 3) a + с 22. If (x-2) is a common factor of the expressi 4) a-c b-d r+ax+b and r+cx+d, then C-a 1| 17. If both the roots of the quadratic equation 2-2kr + k +k-5=0 are less than 5, then k Sr. MATHEM lies in the interval 2) (6, 0) 1) (5, 6] 4) [ 4, 5] 3)(- 0, 4) 18. If roots of the equation x- bx +c =0 be two consecutive integers, then b2- 4c equals 4)1 2)3 3) 2 1)-2 19. If the quadratic expression x-(a-1)x+ a+ will be a perfect square, then a = 1)0,4 2) 2,6 3) 2, 4 4) 0, 6 20. If p(q-r)x² +q(r-p)x+r(p-q)=D0 has equal roots then 2/q = 1 1 1 1 1) 2) 3) p +r 4) pr pr 21. If x-cx+d = 0, x² - ax+ b=0 have on common root and second equation has equal root then 2(b+d) = %3D 1)0 2) aс 3) a + с 22. If (x-2) is a common factor of the expressi 4) a-c b-d r+ax+b and r+cx+d, then C-a 1|
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