Present age of bitu is 2 more than 2 times of sidhi age.4 years before bitu age was 8 times of sidhi age.find the present age of bitu and sidhi ?
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Answer:
Let their present ages be x and 20−x yrs respectively.
Four years ago, their ages would be (x-4) and (16-x) yrs respectively.
(x−4)(16−x)=48
16x−x
2
−64+4x=48
x
2
−20x+112=0
b
2
−4ac=−48
Since the discriminant <0, the roots would be imaginary.
Hence, such a situation is not possible.
Step-by-step explanation:
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