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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 polynomial form does (a +...

Single Answer MCQ
Q-00168732

What polynomial form does (a + b + c)³ expand to?

1

a³ + b³ + c³ + 3(a + b)(c)

2

a³ + b³ + c³ + 3abc

3

a² + b² + c² + ab + ac + bc + c

4

a² + b² - c²

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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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