solve it......its urgent
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let present age be 'x'
according to question
(x-5)^2 =11+5x
x^2+25-10x=11+5x
x^2-15x+14=0
x^2-14x-x+14=0
x(x-14)-1(x-14)=0
x=1,,14
since it can't be one,,,
therefore answer is 14yrs
according to question
(x-5)^2 =11+5x
x^2+25-10x=11+5x
x^2-15x+14=0
x^2-14x-x+14=0
x(x-14)-1(x-14)=0
x=1,,14
since it can't be one,,,
therefore answer is 14yrs
Answered by
1
Let age of girl =X
if she young 5 years = x+5
if square of ages
(x+5)Sq. + 11= 5x
X2 + 25 +10x= 5x
x2 +25 =5x - 10x
x2+5x+36 =0
solve this
if she young 5 years = x+5
if square of ages
(x+5)Sq. + 11= 5x
X2 + 25 +10x= 5x
x2 +25 =5x - 10x
x2+5x+36 =0
solve this
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