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Which of the following is a linear expression:(a) x2 + 1 (b) y + y2 (c) 4 (d) 1 + z |
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Answer» (d) We know that, the algebraic expression in one variable having the highest power of the variable as 1, is known as the linear expression. Here, 1 + z is the only linear expression, as the power of the variable z is 1. |
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