यदि (x=-2) समीकरण \(3x^2+px+10=0\) का मूल है, तो (p) का मान क्या होगा?
If (x=-2) is a root of \(3x^2+px+10=0\), what is the value of (p)?
Explanation opens after your attempt
A. (11)
Concept
Putting (x=-2) gives (12-2p+10=0). Hence (p=11).
Why this answer is correct
The correct answer is A. (11). Putting (x=-2) gives (12-2p+10=0). Hence (p=11).
Exam Tip
(x=-2) रखने पर (12-2p+10=0) मिलता है। इससे (p=11) है।
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