यदि (p(x)=7x-13), तो (p(x)-p(-x)) क्या है?
If (p(x)=7x-13), what is (p(x)-p(-x))?
Explanation opens after your attempt
A. (14x)
Concept
(p(-x)=-7x-13). Subtracting gives (7x-13-(-7x-13)=14x).
Why this answer is correct
The correct answer is A. (14x). (p(-x)=-7x-13). Subtracting gives (7x-13-(-7x-13)=14x).
Exam Tip
(p(-x)=-7x-13) है। घटाने पर (7x-13-(-7x-13)=14x) मिलता है।
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