Question

coefficient of the term containing 'a' of the expression 9 - ab + bc - ca is2​

Answer 1

Given :- coefficient of the term containing 'a' in the expression (9 - ab + bc - ca) is ?

Solution :-

we know that,

• The number factor of the term is called its coefficient .

so,

→ Total terms in the expression (9 - ab + bc - ca) are :- 9, (-ab), bc and (-ca) .

then,

• coefficient of 9 = 1 .
• coefficient of a = (-b) .
• coefficient of bc = 1 .
• coefficient of a = (-c) .

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Answer 2

SOLUTION

TO DETERMINE

The coefficient of the term containing 'a' of the expression 9 - ab + bc - ca

CONCEPT TO BE IMPLEMENTED

Algebraic expressions :

A combination of constants and variables , connected by four fundamental arithmetical operations i.e addition , subtraction , multiplication and division is called an algebraic expressions

Terms :

Various parts of an algebraic expression , which are separated by + or – are called terms of the algebraic expression

Coefficients :

In a term of an algebraic expression the numerical factor of a term is called coefficients and any of the factors with the sign of the term is called coefficient of the product of the other factors

EVALUATION

Here the given expression is 9 - ab + bc - ca

Now the term containing a are - ab & - ca

So by above we can conclude that the coefficient of the term containing 'a' of the expression 9 - ab + bc - ca are - b & - c

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