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20 दि जरद-नस्‍ायू O14. Find pip valess of K qon whaich *yeal snd dual nsets :Sl - R SR g R "f'*दिसर 61 न ब( 4 जन >तैसशरर hos

Answer»

For real and equal roots, determinat should be zero.D=0b^2 -4ac=0(2k)^2-4(k^2-k+2)=04k^2 -4k^2 +4k -8=0k=2

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