कौन-सा व्यंजक केवल (1) चर वाला है?
Which expression has only (1) variable?
Explanation opens after your attempt
A. (2x+3)
Concept
(2x+3) has only the variable (x). To count variables, look at distinct letters.
Why this answer is correct
The correct answer is A. (2x+3). (2x+3) has only the variable (x). To count variables, look at distinct letters.
Exam Tip
(2x+3) में केवल चर (x) है। चर की संख्या गिनते समय अलग-अलग अक्षरों को देखें।
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