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Step by step video & image solution for Simplify each of the following algebraic expressions by removing grouping symbols. a-[b-{a-(b-1)+3a}] a-[2b-{3a-(2b-3c)}] by Maths experts to help you in doubts & scoring excellent marks in Class 7 exams.Updated on:21/07/2023Class...
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The given expression is not a polynomial. Because the polynomial has 1/2 as the power of variable x, which is not a non-negative integer. (iii) 3y3 –√5y + 9 The given expression is a polynomial. Because the polynomial has positive powers. (iv) ax1/2 + ax + 9x2 + 4 The given...
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The first difficulty is the use of algebraic language in the construction of the problem model; the second is the use of the same expression to designate different quantities within the problem text. We used a 2 × 2 between-between design, with one factor related to the symbolic ...
q2 what is the difference between an algebraic expression and identities? an algebraic expression is an expression which consists of variables and constants. in expressions, a variable can take any value. thus, the expression value can change if the variable values are changed. but algebraic ...
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Now of course we can see that the student should have included the parenthesis when multiplying by 2. The final expression should have been: 2(x + 4) – 3 – x, simplified: x + 5 So the positives? The student is showing that he is solid in his operations with negative integers, tha...
It is recognised that they play a variety of roles in biology, for example in the formation of the catalytic core of various ribozymes [5, 6] and in the alteration of gene expression inducing ribosomal frameshifting in many viruses [7, 8]. The ability to compare RNA structures is useful ...