Q.4 If the product of the roots of 5x² - 4x + 2 + m(4x2- 2x - 1) = 0 is 3, then mis

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( 5 x^{2}-4 x+2+4 m x^{2}-2 m x-m=0 ) ( Rightarrow quad(4 m+5) x^{2}-(2 m+4) x+(2-m)=0 ) ( P_{text {roduct ob }} ) noots is ( left(frac{2-m}{4 m+5}right)=3 ). ( begin{aligned} 2-m &=12 m+15 text { . } frac{-13}{13}=13 m & text { is }-1 end{aligned} )

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