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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

How can you rewrite (2n - 5m)³...

Single Answer MCQ
Q-00168728

How can you rewrite (2n - 5m)³ in terms of a and b?

1

a³ - 15a²b + 75ab² - 125b³

2

2n - 5m + 125

3

2n + 5m

4

8n³ - 60n²m + 150nm² - 125m³

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Q1.

What is the expanded form 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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