If the equation 2x2 + kx - 5 = Oand...
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If the equation 2x2 + kx - 5 = Oand x2 – 3x - 4 = 0 have one root in common, then find the value of k. 11. - 4 .5x2

JEE/Engineering Exams
Maths
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( 2 x^{2}+k x+5=0 ) ( x^{2}-3 x-4=0 ) ( x^{2}-4 x+x-4=0 ) ( quad quad x=4,-1 ) ( 2-k eq 5=0 quad ) fo (-1) is ormon [ begin{aligned} k-3 & text { root } 32+4 k-5=0 & text { If }(4) text { is common } 4 k=-27 & text { reft } k=-27 / 4 end{aligned} ]
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