Thesea is12 12 Discriminant of quadratic equation 230 75x-1=0② 109 ② 87 1178 ly none of these213 For what value of k equation 2x²+32 tk zohas real roots@k-$ k> f Ok< $ @ none ofa 14 If x=k be a solution of the quachaticequation 234k+3=0 then tooOka2 ke-3(1) k=-2 k-3The possitive real root of the equation647?T=0is08☺ to W Ś ⓇZThe quadratic equation are ? 4 ax +zatohas repeated root if♡ a=o o a=ts (ma=2(h)a=2 9 a=4QIZ The quadratic equation kae²-ak2 ts=0 hasequal roots in iskao ① kz2 1 kal (WK24QB Y-3 is a root of the quachatic equationTy ? (ktly +3=0 thenKay ② k-14 1K221 Ty k zThe common difference of an A.P.- 27-13, -18,is0.5 -'S @ W none of theseThe first term of an A. P. iss andcommon difference is- then the cothof the A-li is- 23 m 2 (MD_19 W none of theseQ2. In an A.l. if common difference d=3then to-ty is equat to☺ -2 16 (y - 6325 The wth term from the end of the AP.13,16,19 ----- 1ko is0128 0 48 D 98_D10813term​