यदि (x=-5) समीकरण \(3x^2+px-20=0\) का मूल है, तो (p) का मान क्या होगा?
If (x=-5) is a root of \(3x^2+px-20=0\), what is the value of (p)?
Explanation opens after your attempt
A. (11)
Concept
Putting (x=-5) gives (75-5p-20=0). Hence (p=11).
Why this answer is correct
The correct answer is A. (11). Putting (x=-5) gives (75-5p-20=0). Hence (p=11).
Exam Tip
(x=-5) रखने पर (75-5p-20=0) मिलता है। इससे (p=11) है।
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