Factorise (100a^2-b^2).
Answer and explanation
Correct answer: ((10a-b)(10a+b))
(100a^2=(10a)^2), and (b^2) is already a square. In exams, take square roots and write conjugate factors.
Frequently asked questions
What is the correct answer to this question?
((10a-b)(10a+b))
Why is this the correct answer?
(100a^2=(10a)^2), and (b^2) is already a square. In exams, take square roots and write conjugate factors.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Factorisation.
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