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question related to quadratic equation!

Asked by vshrikanth 11th February 2011, 6:51 PM
Answered by Expert
Answer:

Dear student,

Let the number of children be x.

So each child has to give (x-1) gifts.

Thus, total number of gifts = x(x-1) = 132

x2 - x - 132 = 0

(x - 12) (x+11) = 0

x = 12 or x = -11

But, x cannot be negative.

Thus, the number of children is 12.

We hope that clarifies your query.

Regards,

Team

TopperLearning

Answered by Expert 11th February 2011, 9:53 PM
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