यदि (p(x)=6x+a) और (q(x)=8x-a), तो (q(x)-p(x)) क्या है?
If (p(x)=6x+a) and (q(x)=8x-a), what is (q(x)-p(x))?
Explanation opens after your attempt
B. (2x-2a)
Concept
(8x-a-(6x+a)=2x-2a). Change the signs inside the bracket while subtracting.
Why this answer is correct
The correct answer is B. (2x-2a). (8x-a-(6x+a)=2x-2a). Change the signs inside the bracket while subtracting.
Exam Tip
(8x-a-(6x+a)=2x-2a) है। घटाते समय कोष्ठक के चिन्ह बदलें।
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