Exercise Problems · Q3
Q.Write a C program to find the value of y in the following equation. y = 3x^2 + 4x - 2
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Evaluate y = 3x^2 + 4x - 2 for the entered x; x = 2 gives y = 18.00.
This shows how an algebraic expression is translated into a C arithmetic expression. There is no exponent operator in C, so x^2 is written as xx, and normal operator precedence (multiplication before addition/subtraction) means 3xx + 4x - 2 evaluates exactly as the mathematics intends. The program reads x, computes y, and prints it to two decimal places. …
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