Question
Easy
Which of the following is NOT true ?
1
3+4├Ч5 is not a mathematical expression
2
Operations of multiplication can be done on mathematical expressions
3
The expression (x$^2$+10x+25) cannot be simplified further
4
The value of the variable in an equation which satisfy the equation is called a solution of the equation
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Pedagogy of Mathematics
Topic: Approaches & Evaluation in Mathematics Teaching
Correct Answer
Option C
Explanation
Option 3 is stated as: "The expression (x$^2$+10x+25) cannot be simplified further." This statement is NOT true, which makes it the correct answer to the question. Here's why: 1. Explanation for Option 3: - The expression \(x^2 + 10x + 25\) can indeed be simplified further. It is a perfect square trinomial and can be factored into \((x + 5)^2\). This shows that the expression can be simplified by factoring,тАжRead More
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