Coefficient of a variable in an equation is the number that is multiplied with that variable. Therefore for finding out the coefficient of x2 in the equations given below. Watch for the numbers multiplied with x2 and include the positive or negative sign.
Since coefficient is the multiplicative part to a variable in a single term, then
(i) Coefficients of x2 = 1
(ii) Coefficients of x2 = -1
(iii) Coefficients of x2 =
(iv) Coefficients of x2 = 0
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