find quadratic polynomial whose sum of 0 is 21/8 and product of 0 is 5/16
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Step-by-step explanation:
for quadratic polynomia, x^2-(sum)+(product)
x^2-21/8x+5/16
making it in standard form
16x^2-42x+5
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Answer:5/2
Step-by-step explanation:let the roots of the quadratic queation be a and b
a+b=21/8
ab=5/16
(a-b)^(2)=(a+b)^(2)-4ab
=21^(2)/8^(2)-4*5/16
=441/64-20/16
=(441-80)/64
=361/64
(a-b)^(2)=(19)^(2)/8^(2)
a-b=19/8----(1)
a+b=21/8------(2)
solving eq(1) and (2)..
a=5/2, b=1/8
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