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Which one is a solution set of √x-5 = -2?

10th Class Federal Board Exams Quizzes MCQs Quizzes Federal Board Class 10th Math Chapter No 1

Question:
Which one is a solution set of √x-5 = -2?

Option A):
{-7}
Option B):
{-9}
Option C):
{9}
Option D):
{3}

Correct Answer is Option C):
{9}