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#1 2017-10-04 04:54:50

shakeel123
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(√x + √y)(√x - √y) is equal to:

9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Maths Online 9th Class Test Lesson 3 Logarithms

Question:
(√x + √y)(√x - √y) is equal to:

Option A):
x + y
Option B):
x² - y²
Option C):
x – y
Option D):
x² + y²

Correct Answer is Option C):
x – y


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2017-10-04 04:54:50

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Re: (√x + √y)(√x - √y) is equal to:



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