6. The age of a father is twice the square of the
age of his son. Eight years hence, the age of the
father will be 4 years more than three times the
age of the son. Find their present ages.
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Step-by-step explanation:
let son age be x
father's age 2x^2
A.T.Q eight yrs hence
sons age = x+8
father age = 3(x+8) +4
therefore 2x^2+8=3x+24+4
2x^2 -3x -20
2x^2 -8x+5x-20
2x(x-4)+5(x-4)
2x+5=0\ x-4=0
x=-5/2 , x=4
so sons age is 4yrs ,father's age is 32 yrs.
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