If Ritu were younger by 5 years than what she really is, then the square of her age would have been 11 more than five times her present age. What is her present age?
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Answer:
Step-by-step explanation:
As per question given the following equation can be formed:
⇒(x−5)
2
=11+5x
⇒x
2
−10x+25=11+5x
⇒x
2
−10x+25−11−5x=0
⇒x
2
−15x+14=0
⇒x
2
−14x−x+14=0
⇒x(x−14)−1(x−14)=0
⇒(x−14)(x−1)=0
x=14 or x=1
Since her age can't be 1, So it is 14
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