यदि (p(x)=mx+n), (p(-3)=2) और (p(1)=18), तो (m) क्या है?
If (p(x)=mx+n), (p(-3)=2) and (p(1)=18), what is (m)?
Explanation opens after your attempt
B. (4)
Concept
Subtracting the two values gives (p(1)-p(-3)=4m=16). Therefore (m=4).
Why this answer is correct
The correct answer is B. (4). Subtracting the two values gives (p(1)-p(-3)=4m=16). Therefore (m=4).
Exam Tip
दोनों मान घटाने पर (p(1)-p(-3)=4m=16) मिलता है। इसलिए (m=4) है।
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