द्विघात समीकरण 2x² + x + 4 = 0 के मूल होंगे)
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Step-by-step explanation:
2x²+x=-4
x²+x=-4/2
x²+x =-2
put x=1
x²+1=-2
x²=-2-1
x²=-3
x=+/-√3
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