find the values of alpha^4 +beta^4 if the given quadratic equation is 4x^2-2x-7=0

Under sum and root topic in quadratic equation pls answer as soon as possible
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1 Answer

????????????? wotz alfa & wotz beta ????????????????

4x^2 -2x-7=0

???????????????? how bout the zeroes ????????????

roots=1.5962912 & -1.0962912

b^2-4ac=116, sqroot(116)= 10.770329614
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