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નીચે આપેલ સમીકરણનું દ્વિધાત સમીકરણ મેળવો.
1x+1+1x+2=4x+4\frac{1}{x+1}+\frac{1}{x+2}=\frac{4}{x+4}x+11+x+21=x+44
2x2+x−42x^2+x-42x2+x−4
2x2−x−42x^2-x-42x2−x−4
2x2+x+42x^2+x+42x2+x+4
2x2−x+42x^2-x+42x2−x+4
D > 0
D < 0
D = 0
એક પણ નહીં
નીચે આપેલ સમીકરણનું દ્વિધાત સમીકરણનો ઉકેલ મેળવો.
2x2+x−4=02x^2+x-4=02x2+x−4=0
33−14 & −(33+14)\frac{\sqrt{33}-1}{4}\ \&\ \ -\left(\frac{\sqrt{33}+1}{4}\right)433−1 & −(433+1)
33−14 & −(33−14)\frac{\sqrt{33}-1}{4}\ \&\ \ -\left(\frac{\sqrt{33}-1}{4}\right)433−1 & −(433−1)
−33−14 & −(33+14)-\frac{\sqrt{33}-1}{4}\ \&\ \ -\left(\frac{\sqrt{33}+1}{4}\right)−433−1 & −(433+1)
33−12 & −(33+12)\frac{\sqrt{33}-1}{2}\ \&\ \ -\left(\frac{\sqrt{33}+1}{2}\right)233−1 & −(233+1)
(x+4)(x+5) = 3(x+1)(x+2) + 12x
1 & 7
1 & -7
-1 & 7
-1 & -7
જો સમીકરણ x2 - 3x - k = 0 ના વિચેચકનું મૂલ્ય 1 હોય, તો k = .......
-4
-2
2
4
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10 questions
KYK MATHS TEST 20
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