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Curriculum-aligned learning paths for students in Classes 6-12.

CBSE
Class 9
Mathematics
Ganita Manjari
Exploring Algebraic Identities
Question Bank

What is a common application o...

Single Answer MCQ
Q-00168730

What is a common application of the identity (a + b)²?

1

Finding area of a square with side a + b

2

Calculating volume

3

Solving linear equations

4

Finding the perimeter

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Q1.

What is the expanded form of (a + b)²?

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Q2.

Calculate the value of (3 + 4)² using the identity.

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Q3.

If a = 5 and b = -2, what is the value of (a + b)²?

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Q4.

In which case would (a + b)² = a² + b² not hold true?

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