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Question

How many trinomials are there?

(i) 4y−7z

(ii) x+y−xy

(iii) 7mn

(iv) z2−3z+8

(v) 1+x+x2


A
2
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B
3
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C
4
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D
5
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Solution

The correct option is B 3

Trinomial means an algebraic expression of three terms.

(i) 4y7z has only two terms
(ii) x+yxy has three terms
(iii) 7mn has one term
(iv) z23z+8 has three terms

(v) 1+x+x2 has three terms

Therefore, there are 3 algebraic expressions which are trinomial.


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