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Simplification (सरलीकरण) helps Class 9 Mathematics students reduce numerical and algebraic expressions to their simplest form while preserving their value. In this Common Questions topic, learners practise the correct order of operations, handling brackets, signs, fractions, powers, and like terms, and applying basic algebraic rules carefully. The topic also develops accuracy and step-by-step reasoning, helping students identify common errors and present clear solutions in routine calculations and introductory algebra.
Easy · Level 1 · 1 questions
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Question 1EasyLevel 1
What is the simplest form of a + a + 2a after combining like terms?समान पदों को जोड़कर a + a + 2a का सरलतम रूप क्या होगा?
Correct answer:सही उत्तर:B
All terms contain a to the first power, so add their coefficients: 1 + 1 + 2 = 4. Thus, a + a + 2a = 4a, and option B is correct.सभी पदों में a की घात 1 है, इसलिए उनके गुणांक जोड़ें: 1 + 1 + 2 = 4। अतः a + a + 2a = 4a, इसलिए विकल्प B सही है।
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